80690258820 has 48 divisors (see below), whose sum is σ = 226580155200. Its totient is φ = 21455742336.

The previous prime is 80690258809. The next prime is 80690258837. The reversal of 80690258820 is 2885209608.

It is a self number, because there is not a number n which added to its sum of digits gives 80690258820.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1905762 + ... + 1947641.

It is an arithmetic number, because the mean of its divisors is an integer number (4720419900).

Almost surely, 2^80690258820 is an apocalyptic number.

It is an amenable number.

80690258820 is an abundant number, since it is smaller than the sum of its proper divisors (145889896380).

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

80690258820 is a wasteful number, since it uses less digits than its factorization.

80690258820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3853764 (or 3853762 counting only the distinct ones).

The product of its (nonzero) digits is 552960, while the sum is 48.

The spelling of 80690258820 in words is "eighty billion, six hundred ninety million, two hundred fifty-eight thousand, eight hundred twenty".