80389631 has 8 divisors (see below), whose sum is σ = 91941024. Its totient is φ = 68855040.

The previous prime is 80389609. The next prime is 80389657. The reversal of 80389631 is 13698308.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-80389631 is a prime.

It is a super-2 number, since 2×80389631² = 12924985544632322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80389691) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 8711 + ... + 15383.

It is an arithmetic number, because the mean of its divisors is an integer number (11492628).

Almost surely, 2^80389631 is an apocalyptic number.

80389631 is a deficient number, since it is larger than the sum of its proper divisors (11551393).

80389631 is a wasteful number, since it uses less digits than its factorization.

80389631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8401.

The product of its (nonzero) digits is 31104, while the sum is 38.

The square root of 80389631 is about 8966.0264889192. The cubic root of 80389631 is about 431.5853341961.

The spelling of 80389631 in words is "eighty million, three hundred eighty-nine thousand, six hundred thirty-one".