80516588984 has 16 divisors (see below), whose sum is σ = 162581574120. Its totient is φ = 37161502560.

The previous prime is 80516588981. The next prime is 80516589001. The reversal of 80516588984 is 48988561508.

It is a happy number.

It is a super-2 number, since 2×80516588984² (a number of 23 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (62) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80516588981) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 387098882 + ... + 387099089.

Almost surely, 2^80516588984 is an apocalyptic number.

It is an amenable number.

80516588984 is an abundant number, since it is smaller than the sum of its proper divisors (82064985136).

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

80516588984 is a wasteful number, since it uses less digits than its factorization.

80516588984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 774197990 (or 774197986 counting only the distinct ones).

The product of its (nonzero) digits is 22118400, while the sum is 62.

The spelling of 80516588984 in words is "eighty billion, five hundred sixteen million, five hundred eighty-eight thousand, nine hundred eighty-four".