80657196 has 12 divisors (see below), whose sum is σ = 188200152. Its totient is φ = 26885728.

The previous prime is 80657179. The next prime is 80657201. The reversal of 80657196 is 69175608.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3360705 + ... + 3360728.

It is an arithmetic number, because the mean of its divisors is an integer number (15683346).

Almost surely, 2^80657196 is an apocalyptic number.

It is an amenable number.

80657196 is an abundant number, since it is smaller than the sum of its proper divisors (107542956).

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

80657196 is a wasteful number, since it uses less digits than its factorization.

80657196 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6721440 (or 6721438 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 42.

The square root of 80657196 is about 8980.9351406187. The cubic root of 80657196 is about 432.0636266023.

The spelling of 80657196 in words is "eighty million, six hundred fifty-seven thousand, one hundred ninety-six".