76907047985 has 32 divisors (see below), whose sum is σ = 97854462720. Its totient is φ = 57908809728.

The previous prime is 76907047979. The next prime is 76907048003. The reversal of 76907047985 is 58974070967.

It is not a de Polignac number, because 76907047985 - 2¹⁰ = 76907046961 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1785017 + ... + 1827593.

It is an arithmetic number, because the mean of its divisors is an integer number (3057951960).

Almost surely, 2^76907047985 is an apocalyptic number.

It is an amenable number.

76907047985 is a deficient number, since it is larger than the sum of its proper divisors (20947414735).

76907047985 is a wasteful number, since it uses less digits than its factorization.

76907047985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42857.

The product of its (nonzero) digits is 26671680, while the sum is 62.

The spelling of 76907047985 in words is "seventy-six billion, nine hundred seven million, forty-seven thousand, nine hundred eighty-five".