80396857 has 8 divisors (see below), whose sum is σ = 83105792. Its totient is φ = 77695200.

The previous prime is 80396843. The next prime is 80396873. The reversal of 80396857 is 75869308.

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-80396857 is a prime.

It is not an unprimeable number, because it can be changed into a prime (80396807) 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, 29413 + ... + 32029.

It is an arithmetic number, because the mean of its divisors is an integer number (10388224).

Almost surely, 2^80396857 is an apocalyptic number.

It is an amenable number.

80396857 is a deficient number, since it is larger than the sum of its proper divisors (2708935).

80396857 is a wasteful number, since it uses less digits than its factorization.

80396857 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3639.

The product of its (nonzero) digits is 362880, while the sum is 46.

The square root of 80396857 is about 8966.4294454370. The cubic root of 80396857 is about 431.5982651432.

The spelling of 80396857 in words is "eighty million, three hundred ninety-six thousand, eight hundred fifty-seven".