80442427 has 24 divisors (see below), whose sum is σ = 92086848. Its totient is φ = 69816960.

The previous prime is 80442407. The next prime is 80442457. The reversal of 80442427 is 72424408.

It is a de Polignac number, because none of the positive numbers 2^k-80442427 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (80442407) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 587103 + ... + 587239.

It is an arithmetic number, because the mean of its divisors is an integer number (3836952).

Almost surely, 2^80442427 is an apocalyptic number.

80442427 is a deficient number, since it is larger than the sum of its proper divisors (11644421).

80442427 is a wasteful number, since it uses less digits than its factorization.

80442427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 259 (or 228 counting only the distinct ones).

The product of its (nonzero) digits is 14336, while the sum is 31.

The square root of 80442427 is about 8968.9702307456. The cubic root of 80442427 is about 431.6797949394.

The spelling of 80442427 in words is "eighty million, four hundred forty-two thousand, four hundred twenty-seven".