815927623404 has 24 divisors (see below), whose sum is σ = 1903895220528. Its totient is φ = 271966717440.

The previous prime is 815927623397. The next prime is 815927623417. The reversal of 815927623404 is 404326729518.

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, 768417 + ... + 1490744.

It is an arithmetic number, because the mean of its divisors is an integer number (79328967522).

It is a 1-persistent number, because it is pandigital, but 2⋅815927623404 = 1631855246808 is not.

Almost surely, 2^815927623404 is an apocalyptic number.

It is an amenable number.

815927623404 is an abundant number, since it is smaller than the sum of its proper divisors (1087967597124).

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

815927623404 is a wasteful number, since it uses less digits than its factorization.

815927623404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2289265 (or 2289263 counting only the distinct ones).

The product of its (nonzero) digits is 2903040, while the sum is 51.

The spelling of 815927623404 in words is "eight hundred fifteen billion, nine hundred twenty-seven million, six hundred twenty-three thousand, four hundred four".