765904138628 has 24 divisors (see below), whose sum is σ = 1352965874400. Its totient is φ = 379343027648.

The previous prime is 765904138577. The next prime is 765904138687. The reversal of 765904138628 is 826831409567.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5931983 + ... + 6059721.

It is an arithmetic number, because the mean of its divisors is an integer number (56373578100).

It is a 1-persistent number, because it is pandigital, but 2⋅765904138628 = 1531808277256 is not.

Almost surely, 2^765904138628 is an apocalyptic number.

It is an amenable number.

765904138628 is a deficient number, since it is larger than the sum of its proper divisors (587061735772).

765904138628 is a wasteful number, since it uses less digits than its factorization.

765904138628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141859 (or 141857 counting only the distinct ones).

The product of its (nonzero) digits is 17418240, while the sum is 59.

The spelling of 765904138628 in words is "seven hundred sixty-five billion, nine hundred four million, one hundred thirty-eight thousand, six hundred twenty-eight".