77630633581374 has 64 divisors (see below), whose sum is σ = 173295615628800. Its totient is φ = 25759443818304.

The previous prime is 77630633581357. The next prime is 77630633581399. The reversal of 77630633581374 is 47318533603677.

77630633581374 is a `hidden beast` number, since 7 + 76 + 30 + 63 + 35 + 81 + 374 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 92239314 + ... + 93077130.

It is an arithmetic number, because the mean of its divisors is an integer number (2707743994200).

Almost surely, 2^{77630633581374} is an apocalyptic number.

77630633581374 is an abundant number, since it is smaller than the sum of its proper divisors (95664982047426).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

77630633581374 is a wasteful number, since it uses less digits than its factorization.

77630633581374 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 845614 (or 845608 counting only the distinct ones).

The product of its (nonzero) digits is 160030080, while the sum is 63.

The spelling of 77630633581374 in words is "seventy-seven trillion, six hundred thirty billion, six hundred thirty-three million, five hundred eighty-one thousand, three hundred seventy-four".