77964919675 has 24 divisors (see below), whose sum is σ = 101801433200. Its totient is φ = 59067895680.

The previous prime is 77964919579. The next prime is 77964919709. The reversal of 77964919675 is 57691946977.

It is not a de Polignac number, because 77964919675 - 2⁷ = 77964919547 is a prime.

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 23 ways as a sum of consecutive naturals, for example, 1357441 + ... + 1413709.

Almost surely, 2^77964919675 is an apocalyptic number.

77964919675 is a deficient number, since it is larger than the sum of its proper divisors (23836513525).

77964919675 is a wasteful number, since it uses less digits than its factorization.

77964919675 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59215 (or 59210 counting only the distinct ones).

The product of its digits is 180033840, while the sum is 70.

The spelling of 77964919675 in words is "seventy-seven billion, nine hundred sixty-four million, nine hundred nineteen thousand, six hundred seventy-five".