76256521905 has 16 divisors (see below), whose sum is σ = 122039184960. Its totient is φ = 40660561728.

The previous prime is 76256521853. The next prime is 76256521921. The reversal of 76256521905 is 50912565267.

It is not a de Polignac number, because 76256521905 - 2⁷ = 76256521777 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 532942 + ... + 660711.

It is an arithmetic number, because the mean of its divisors is an integer number (7627449060).

Almost surely, 2^76256521905 is an apocalyptic number.

It is an amenable number.

76256521905 is a deficient number, since it is larger than the sum of its proper divisors (45782663055).

76256521905 is a wasteful number, since it uses less digits than its factorization.

76256521905 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1197920.

The product of its (nonzero) digits is 1134000, while the sum is 48.

The spelling of 76256521905 in words is "seventy-six billion, two hundred fifty-six million, five hundred twenty-one thousand, nine hundred five".