80021885524 has 24 divisors (see below), whose sum is σ = 161693712320. Its totient is φ = 33941534976.

The previous prime is 80021885513. The next prime is 80021885533. The reversal of 80021885524 is 42558812008.

It is a congruent number.

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, 14728854 + ... + 14734285.

Almost surely, 2^80021885524 is an apocalyptic number.

It is an amenable number.

80021885524 is an abundant number, since it is smaller than the sum of its proper divisors (81671826796).

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

80021885524 is a wasteful number, since it uses less digits than its factorization.

80021885524 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29463247 (or 29463245 counting only the distinct ones).

The product of its (nonzero) digits is 204800, while the sum is 43.

The spelling of 80021885524 in words is "eighty billion, twenty-one million, eight hundred eighty-five thousand, five hundred twenty-four".