80207450520 has 64 divisors (see below), whose sum is σ = 240940487520. Its totient is φ = 21360374784.

The previous prime is 80207450461. The next prime is 80207450537. The reversal of 80207450520 is 2505470208.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 350637 + ... + 532316.

Almost surely, 2^80207450520 is an apocalyptic number.

It is an amenable number.

80207450520 is an abundant number, since it is smaller than the sum of its proper divisors (160733037000).

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

80207450520 is a wasteful number, since it uses less digits than its factorization.

80207450520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 883724 (or 883720 counting only the distinct ones).

The product of its (nonzero) digits is 22400, while the sum is 33.

The spelling of 80207450520 in words is "eighty billion, two hundred seven million, four hundred fifty thousand, five hundred twenty".