427696498782 has 128 divisors (see below), whose sum is σ = 1121792716800. Its totient is φ = 118254774528.

The previous prime is 427696498777. The next prime is 427696498787. The reversal of 427696498782 is 287894696724.

427696498782 is a `hidden beast` number, since 4 + 2 + 7 + 69 + 6 + 498 + 78 + 2 = 666.

It is an interprime number because it is at equal distance from previous prime (427696498777) and next prime (427696498787).

It is a self number, because there is not a number n which added to its sum of digits gives 427696498782.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (427696498787) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1445928 + ... + 1716420.

It is an arithmetic number, because the mean of its divisors is an integer number (8764005600).

Almost surely, 2^427696498782 is an apocalyptic number.

427696498782 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 427696498782, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (560896358400).

427696498782 is an abundant number, since it is smaller than the sum of its proper divisors (694096218018).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

427696498782 is a wasteful number, since it uses less digits than its factorization.

427696498782 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 270647 (or 270641 counting only the distinct ones).

The product of its digits is 585252864, while the sum is 72.

The spelling of 427696498782 in words is "four hundred twenty-seven billion, six hundred ninety-six million, four hundred ninety-eight thousand, seven hundred eighty-two".