80880857 has 8 divisors (see below), whose sum is σ = 85587840. Its totient is φ = 76273120.

The previous prime is 80880851. The next prime is 80880869. The reversal of 80880857 is 75808808.

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 80880857 - 2⁸ = 80880601 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (80880851) 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, 23132 + ... + 26397.

It is an arithmetic number, because the mean of its divisors is an integer number (10698480).

Almost surely, 2^80880857 is an apocalyptic number.

It is an amenable number.

80880857 is a deficient number, since it is larger than the sum of its proper divisors (4706983).

80880857 is a wasteful number, since it uses less digits than its factorization.

80880857 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49623.

The product of its (nonzero) digits is 143360, while the sum is 44.

The square root of 80880857 is about 8993.3785086585. The cubic root of 80880857 is about 432.4626263271.

The spelling of 80880857 in words is "eighty million, eight hundred eighty thousand, eight hundred fifty-seven".