427718655 has 96 divisors (see below), whose sum is σ = 919900800. Its totient is φ = 179020800.

The previous prime is 427718653. The next prime is 427718663. The reversal of 427718655 is 556817724.

It is not a de Polignac number, because 427718655 - 2¹ = 427718653 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 427718655.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (427718653) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 609805 + ... + 610505.

It is an arithmetic number, because the mean of its divisors is an integer number (9582300).

Almost surely, 2^427718655 is an apocalyptic number.

427718655 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

427718655 is an abundant number, since it is smaller than the sum of its proper divisors (492182145).

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

427718655 is a wasteful number, since it uses less digits than its factorization.

427718655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 881 (or 878 counting only the distinct ones).

The product of its digits is 470400, while the sum is 45.

The square root of 427718655 is about 20681.3600858357. The cubic root of 427718655 is about 753.4470396191.

The spelling of 427718655 in words is "four hundred twenty-seven million, seven hundred eighteen thousand, six hundred fifty-five".