76990657528 has 16 divisors (see below), whose sum is σ = 144686322000. Its totient is φ = 38407638336.

The previous prime is 76990657441. The next prime is 76990657537. The reversal of 76990657528 is 82575609967.

It is a super-2 number, since 2×76990657528² (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 76990657528.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 10957573 + ... + 10964596.

It is an arithmetic number, because the mean of its divisors is an integer number (9042895125).

Almost surely, 2^76990657528 is an apocalyptic number.

It is an amenable number.

76990657528 is a deficient number, since it is larger than the sum of its proper divisors (67695664472).

76990657528 is a wasteful number, since it uses less digits than its factorization.

76990657528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21922614 (or 21922610 counting only the distinct ones).

The product of its (nonzero) digits is 57153600, while the sum is 64.

The spelling of 76990657528 in words is "seventy-six billion, nine hundred ninety million, six hundred fifty-seven thousand, five hundred twenty-eight".