80835564 has 12 divisors (see below), whose sum is σ = 188616344. Its totient is φ = 26945184.

The previous prime is 80835511. The next prime is 80835607. The reversal of 80835564 is 46553808.

It is a happy number.

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, 3368137 + ... + 3368160.

Almost surely, 2^80835564 is an apocalyptic number.

It is an amenable number.

80835564 is an abundant number, since it is smaller than the sum of its proper divisors (107780780).

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

80835564 is a wasteful number, since it uses less digits than its factorization.

80835564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6736304 (or 6736302 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 39.

The square root of 80835564 is about 8990.8600256038. The cubic root of 80835564 is about 432.3818853957.

The spelling of 80835564 in words is "eighty million, eight hundred thirty-five thousand, five hundred sixty-four".