345868407976 has 32 divisors (see below), whose sum is σ = 798157866240. Its totient is φ = 136827062208.

The previous prime is 345868407971. The next prime is 345868407977. The reversal of 345868407976 is 679704868543.

It is a Smith number, since the sum of its digits (67) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (345868407971) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 237546256 + ... + 237547711.

It is an arithmetic number, because the mean of its divisors is an integer number (24942433320).

Almost surely, 2^345868407976 is an apocalyptic number.

It is an amenable number.

345868407976 is an abundant number, since it is smaller than the sum of its proper divisors (452289458264).

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

345868407976 is a wasteful number, since it uses less digits than its factorization.

345868407976 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 475093993 (or 475093989 counting only the distinct ones).

The product of its (nonzero) digits is 243855360, while the sum is 67.

The spelling of 345868407976 in words is "three hundred forty-five billion, eight hundred sixty-eight million, four hundred seven thousand, nine hundred seventy-six".