76243856972 has 6 divisors (see below), whose sum is σ = 133426749708. Its totient is φ = 38121928484.

The previous prime is 76243856957. The next prime is 76243856989. The reversal of 76243856972 is 27965834267.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9530482118 + ... + 9530482125.

It is an arithmetic number, because the mean of its divisors is an integer number (22237791618).

Almost surely, 2^76243856972 is an apocalyptic number.

It is an amenable number.

76243856972 is a deficient number, since it is larger than the sum of its proper divisors (57182892736).

76243856972 is a wasteful number, since it uses less digits than its factorization.

76243856972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19060964247 (or 19060964245 counting only the distinct ones).

The product of its digits is 30481920, while the sum is 59.

The spelling of 76243856972 in words is "seventy-six billion, two hundred forty-three million, eight hundred fifty-six thousand, nine hundred seventy-two".