76923294021 has 24 divisors (see below), whose sum is σ = 126994580544. Its totient is φ = 43952673600.

The previous prime is 76923294013. The next prime is 76923294029. The reversal of 76923294021 is 12049232967.

76923294021 is a `hidden beast` number, since 7 + 6 + 9 + 232 + 9 + 402 + 1 = 666.

It is an interprime number because it is at equal distance from previous prime (76923294013) and next prime (76923294029).

It is not a de Polignac number, because 76923294021 - 2³ = 76923294013 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76923294029) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 894505 + ... + 976721.

It is an arithmetic number, because the mean of its divisors is an integer number (5291440856).

Almost surely, 2^76923294021 is an apocalyptic number.

It is an amenable number.

76923294021 is a deficient number, since it is larger than the sum of its proper divisors (50071286523).

76923294021 is a wasteful number, since it uses less digits than its factorization.

76923294021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97081 (or 97078 counting only the distinct ones).

The product of its (nonzero) digits is 326592, while the sum is 45.

The spelling of 76923294021 in words is "seventy-six billion, nine hundred twenty-three million, two hundred ninety-four thousand, twenty-one".