427213082568 has 16 divisors (see below), whose sum is σ = 1068032706480. Its totient is φ = 142404360848.

The previous prime is 427213082567. The next prime is 427213082579. The reversal of 427213082568 is 865280312724.

It is a super-2 number, since 2×427213082568² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (427213082561) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8900272530 + ... + 8900272577.

It is an arithmetic number, because the mean of its divisors is an integer number (66752044155).

Almost surely, 2^427213082568 is an apocalyptic number.

It is an amenable number.

427213082568 is an abundant number, since it is smaller than the sum of its proper divisors (640819623912).

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

427213082568 is a wasteful number, since it uses less digits than its factorization.

427213082568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17800545116 (or 17800545112 counting only the distinct ones).

The product of its (nonzero) digits is 1290240, while the sum is 48.

The spelling of 427213082568 in words is "four hundred twenty-seven billion, two hundred thirteen million, eighty-two thousand, five hundred sixty-eight".