75979572642918 has 128 divisors (see below), whose sum is σ = 207664241495040. Its totient is φ = 20096539292160.

The previous prime is 75979572642769. The next prime is 75979572642931. The reversal of 75979572642918 is 81924627597957.

It is a happy number.

75979572642918 is a `hidden beast` number, since 7 + 5 + 9 + 7 + 9 + 572 + 6 + 4 + 29 + 18 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 96524196 + ... + 97308167.

It is an arithmetic number, because the mean of its divisors is an integer number (1622376886680).

Almost surely, 2^{75979572642918} is an apocalyptic number.

75979572642918 is an abundant number, since it is smaller than the sum of its proper divisors (131684668852122).

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

75979572642918 is a wasteful number, since it uses less digits than its factorization.

75979572642918 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 193832459 (or 193832453 counting only the distinct ones).

The product of its digits is 4800902400, while the sum is 81.

The spelling of 75979572642918 in words is "seventy-five trillion, nine hundred seventy-nine billion, five hundred seventy-two million, six hundred forty-two thousand, nine hundred eighteen".