80814957 has 8 divisors (see below), whose sum is σ = 114091776. Its totient is φ = 50707392.

The previous prime is 80814953. The next prime is 80814971. The reversal of 80814957 is 75941808.

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

It is not a de Polignac number, because 80814957 - 2² = 80814953 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80814953) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 792253 + ... + 792354.

It is an arithmetic number, because the mean of its divisors is an integer number (14261472).

Almost surely, 2^80814957 is an apocalyptic number.

It is an amenable number.

80814957 is a deficient number, since it is larger than the sum of its proper divisors (33276819).

80814957 is a wasteful number, since it uses less digits than its factorization.

80814957 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1584627.

The product of its (nonzero) digits is 80640, while the sum is 42.

The square root of 80814957 is about 8989.7139554048. The cubic root of 80814957 is about 432.3451406334.

The spelling of 80814957 in words is "eighty million, eight hundred fourteen thousand, nine hundred fifty-seven".