80965670 has 16 divisors (see below), whose sum is σ = 147495600. Its totient is φ = 31995744.

The previous prime is 80965667. The next prime is 80965697. The reversal of 80965670 is 7656908.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47945 + ... + 49604.

It is an arithmetic number, because the mean of its divisors is an integer number (9218475).

Almost surely, 2^80965670 is an apocalyptic number.

80965670 is a deficient number, since it is larger than the sum of its proper divisors (66529930).

80965670 is a wasteful number, since it uses less digits than its factorization.

80965670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97639.

The product of its (nonzero) digits is 90720, while the sum is 41.

The square root of 80965670 is about 8998.0925756518. The cubic root of 80965670 is about 432.6137360005.

The spelling of 80965670 in words is "eighty million, nine hundred sixty-five thousand, six hundred seventy".