80518455 has 20 divisors (see below), whose sum is σ = 144337512. Its totient is φ = 42942960.

The previous prime is 80518441. The next prime is 80518457. The reversal of 80518455 is 55481508.

It is not a de Polignac number, because 80518455 - 2¹² = 80514359 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80518457) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 99001 + ... + 99810.

Almost surely, 2^80518455 is an apocalyptic number.

80518455 is a deficient number, since it is larger than the sum of its proper divisors (63819057).

80518455 is a wasteful number, since it uses less digits than its factorization.

80518455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 198828 (or 198819 counting only the distinct ones).

The product of its (nonzero) digits is 32000, while the sum is 36.

The square root of 80518455 is about 8973.2076204666. The cubic root of 80518455 is about 431.8157489731.

The spelling of 80518455 in words is "eighty million, five hundred eighteen thousand, four hundred fifty-five".