76866998923 has 32 divisors (see below), whose sum is σ = 91286705664. Its totient is φ = 63806400000.

The previous prime is 76866998863. The next prime is 76866998933. The reversal of 76866998923 is 32989966867.

It is a cyclic number.

It is not a de Polignac number, because 76866998923 - 2¹⁷ = 76866867851 is a prime.

It is not an unprimeable number, because it can be changed into a prime (76866998933) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 5196528 + ... + 5211298.

It is an arithmetic number, because the mean of its divisors is an integer number (2852709552).

Almost surely, 2^76866998923 is an apocalyptic number.

76866998923 is a deficient number, since it is larger than the sum of its proper divisors (14419706741).

76866998923 is a wasteful number, since it uses less digits than its factorization.

76866998923 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15187.

The product of its digits is 423263232, while the sum is 73.

It can be divided in two parts, 7686 and 6998923, that added together give a square (7006609 = 2647²).

The spelling of 76866998923 in words is "seventy-six billion, eight hundred sixty-six million, nine hundred ninety-eight thousand, nine hundred twenty-three".