77738483064575 has 48 divisors (see below), whose sum is σ = 103112473254336. Its totient is φ = 57933020620800.

The previous prime is 77738483064569. The next prime is 77738483064587. The reversal of 77738483064575 is 57546038483777.

It is not a de Polignac number, because 77738483064575 - 2³⁰ = 77737409322751 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 80988149 + ... + 81942401.

It is an arithmetic number, because the mean of its divisors is an integer number (2148176526132).

Almost surely, 2^{77738483064575} is an apocalyptic number.

77738483064575 is a deficient number, since it is larger than the sum of its proper divisors (25373990189761).

77738483064575 is a wasteful number, since it uses less digits than its factorization.

77738483064575 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 956244 (or 956239 counting only the distinct ones).

The product of its (nonzero) digits is 3319142400, while the sum is 74.

The spelling of 77738483064575 in words is "seventy-seven trillion, seven hundred thirty-eight billion, four hundred eighty-three million, sixty-four thousand, five hundred seventy-five".