80704806516 has 60 divisors (see below), whose sum is σ = 211005639460. Its totient is φ = 26898117120.

The previous prime is 80704806509. The next prime is 80704806551. The reversal of 80704806516 is 61560840708.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 24439068900 + 56265737616 = 156330^2 + 237204^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 4131300 + ... + 4150788.

Almost surely, 2^80704806516 is an apocalyptic number.

It is an amenable number.

80704806516 is an abundant number, since it is smaller than the sum of its proper divisors (130300832944).

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

80704806516 is a wasteful number, since it uses less digits than its factorization.

80704806516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32286 (or 32275 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 45.

The spelling of 80704806516 in words is "eighty billion, seven hundred four million, eight hundred six thousand, five hundred sixteen".