71618868762988 has 24 divisors (see below), whose sum is σ = 127103903849664. Its totient is φ = 35306639869200.

The previous prime is 71618868762979. The next prime is 71618868763009. The reversal of 71618868762988 is 88926786881617.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 396435298 + ... + 396615913.

It is an arithmetic number, because the mean of its divisors is an integer number (5295995993736).

Almost surely, 2^{71618868762988} is an apocalyptic number.

It is an amenable number.

71618868762988 is a deficient number, since it is larger than the sum of its proper divisors (55485035086676).

71618868762988 is a wasteful number, since it uses less digits than its factorization.

71618868762988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 793051533 (or 793051531 counting only the distinct ones).

The product of its digits is 6242697216, while the sum is 85.

The spelling of 71618868762988 in words is "seventy-one trillion, six hundred eighteen billion, eight hundred sixty-eight million, seven hundred sixty-two thousand, nine hundred eighty-eight".