76972220402 has 16 divisors (see below), whose sum is σ = 143948048832. Its totient is φ = 29989176720.

The previous prime is 76972220387. The next prime is 76972220447. The reversal of 76972220402 is 20402227967.

It is a super-2 number, since 2×76972220402² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 76972220402.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 249909653 + ... + 249909960.

It is an arithmetic number, because the mean of its divisors is an integer number (8996753052).

Almost surely, 2^76972220402 is an apocalyptic number.

76972220402 is a deficient number, since it is larger than the sum of its proper divisors (66975828430).

76972220402 is a wasteful number, since it uses less digits than its factorization.

76972220402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 499819633.

The product of its (nonzero) digits is 169344, while the sum is 41.

The spelling of 76972220402 in words is "seventy-six billion, nine hundred seventy-two million, two hundred twenty thousand, four hundred two".