80118617864 has 64 divisors (see below), whose sum is σ = 162428682240. Its totient is φ = 36939862080.

The previous prime is 80118617863. The next prime is 80118617867. The reversal of 80118617864 is 46871681108.

It is not an unprimeable number, because it can be changed into a prime (80118617863) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1473449 + ... + 1526855.

It is an arithmetic number, because the mean of its divisors is an integer number (2537948160).

Almost surely, 2^80118617864 is an apocalyptic number.

It is an amenable number.

80118617864 is an abundant number, since it is smaller than the sum of its proper divisors (82310064376).

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

80118617864 is a wasteful number, since it uses less digits than its factorization.

80118617864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53730 (or 53726 counting only the distinct ones).

The product of its (nonzero) digits is 516096, while the sum is 50.

The spelling of 80118617864 in words is "eighty billion, one hundred eighteen million, six hundred seventeen thousand, eight hundred sixty-four".