427790699982 has 24 divisors (see below), whose sum is σ = 929535679800. Its totient is φ = 142188310800.

The previous prime is 427790699953. The next prime is 427790699983. The reversal of 427790699982 is 289996097724.

It is a self number, because there is not a number n which added to its sum of digits gives 427790699982.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (427790699983) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 34042644 + ... + 34055207.

It is an arithmetic number, because the mean of its divisors is an integer number (38730653325).

Almost surely, 2^427790699982 is an apocalyptic number.

427790699982 is an abundant number, since it is smaller than the sum of its proper divisors (501744979818).

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

427790699982 is a wasteful number, since it uses less digits than its factorization.

427790699982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68098208 (or 68098205 counting only the distinct ones).

The product of its (nonzero) digits is 246903552, while the sum is 72.

The spelling of 427790699982 in words is "four hundred twenty-seven billion, seven hundred ninety million, six hundred ninety-nine thousand, nine hundred eighty-two".