80857996 has 12 divisors (see below), whose sum is σ = 148949080. Its totient is φ = 38301120.

The previous prime is 80857993. The next prime is 80858009. The reversal of 80857996 is 69975808.

It is not an unprimeable number, because it can be changed into a prime (80857991) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 531885 + ... + 532036.

Almost surely, 2^80857996 is an apocalyptic number.

It is an amenable number.

80857996 is a deficient number, since it is larger than the sum of its proper divisors (68091084).

80857996 is a wasteful number, since it uses less digits than its factorization.

80857996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1063944 (or 1063942 counting only the distinct ones).

The product of its (nonzero) digits is 1088640, while the sum is 52.

The square root of 80857996 is about 8992.1074281839. The cubic root of 80857996 is about 432.4218772546.

The spelling of 80857996 in words is "eighty million, eight hundred fifty-seven thousand, nine hundred ninety-six".