80857328 has 20 divisors (see below), whose sum is σ = 163473168. Its totient is φ = 38670720.

The previous prime is 80857327. The next prime is 80857333. The reversal of 80857328 is 82375808.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80857327) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 109493 + ... + 110228.

Almost surely, 2^80857328 is an apocalyptic number.

It is an amenable number.

80857328 is an abundant number, since it is smaller than the sum of its proper divisors (82615840).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

80857328 is a wasteful number, since it uses less digits than its factorization.

80857328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 219752 (or 219746 counting only the distinct ones).

The product of its (nonzero) digits is 107520, while the sum is 41.

The square root of 80857328 is about 8992.0702844228. The cubic root of 80857328 is about 432.4206864484.

The spelling of 80857328 in words is "eighty million, eight hundred fifty-seven thousand, three hundred twenty-eight".