80310857 has 8 divisors (see below), whose sum is σ = 88480512. Its totient is φ = 72286000.

The previous prime is 80310829. The next prime is 80310913. The reversal of 80310857 is 75801308.

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

It is a cyclic number.

It is not a de Polignac number, because 80310857 - 2¹⁸ = 80048713 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (80310817) 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, 35033 + ... + 37254.

It is an arithmetic number, because the mean of its divisors is an integer number (11060064).

Almost surely, 2^80310857 is an apocalyptic number.

It is an amenable number.

80310857 is a deficient number, since it is larger than the sum of its proper divisors (8169655).

80310857 is a wasteful number, since it uses less digits than its factorization.

80310857 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72399.

The product of its (nonzero) digits is 6720, while the sum is 32.

The square root of 80310857 is about 8961.6324963703. The cubic root of 80310857 is about 431.4443176100. Note that the first 3 decimals are identical.

The spelling of 80310857 in words is "eighty million, three hundred ten thousand, eight hundred fifty-seven".