80125857 has 12 divisors (see below), whose sum is σ = 132271360. Its totient is φ = 45786168.

The previous prime is 80125817. The next prime is 80125861. The reversal of 80125857 is 75852108.

It is not a de Polignac number, because 80125857 - 2⁸ = 80125601 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (80125807) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 635857 + ... + 635982.

Almost surely, 2^80125857 is an apocalyptic number.

It is an amenable number.

80125857 is a deficient number, since it is larger than the sum of its proper divisors (52145503).

80125857 is a wasteful number, since it uses less digits than its factorization.

80125857 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1271852 (or 1271849 counting only the distinct ones).

The product of its (nonzero) digits is 22400, while the sum is 36.

The square root of 80125857 is about 8951.3047652284. The cubic root of 80125857 is about 431.1127785217.

The spelling of 80125857 in words is "eighty million, one hundred twenty-five thousand, eight hundred fifty-seven".