76722558312 has 32 divisors (see below), whose sum is σ = 191823914880. Its totient is φ = 25571850240.

The previous prime is 76722558307. The next prime is 76722558371. The reversal of 76722558312 is 21385522767.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 133137 + ... + 413727.

It is an arithmetic number, because the mean of its divisors is an integer number (5994497340).

Almost surely, 2^76722558312 is an apocalyptic number.

It is an amenable number.

76722558312 is an abundant number, since it is smaller than the sum of its proper divisors (115101356568).

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

76722558312 is a wasteful number, since it uses less digits than its factorization.

76722558312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 291993 (or 291989 counting only the distinct ones).

The product of its digits is 1411200, while the sum is 48.

The spelling of 76722558312 in words is "seventy-six billion, seven hundred twenty-two million, five hundred fifty-eight thousand, three hundred twelve".