80479257 has 8 divisors (see below), whose sum is σ = 107685984. Its totient is φ = 53462688.

The previous prime is 80479249. The next prime is 80479279. The reversal of 80479257 is 75297408.

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

It is not a de Polignac number, because 80479257 - 2³ = 80479249 is a prime.

It is not an unprimeable number, because it can be changed into a prime (80479237) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46548 + ... + 48245.

It is an arithmetic number, because the mean of its divisors is an integer number (13460748).

Almost surely, 2^80479257 is an apocalyptic number.

It is an amenable number.

80479257 is a deficient number, since it is larger than the sum of its proper divisors (27206727).

80479257 is a wasteful number, since it uses less digits than its factorization.

80479257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95079.

The product of its (nonzero) digits is 141120, while the sum is 42.

The square root of 80479257 is about 8971.0231857910. The cubic root of 80479257 is about 431.7456654080.

The spelling of 80479257 in words is "eighty million, four hundred seventy-nine thousand, two hundred fifty-seven".