80868556 has 12 divisors (see below), whose sum is σ = 141772680. Its totient is φ = 40362080.

The previous prime is 80868533. The next prime is 80868577. The reversal of 80868556 is 65586808.

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, 15490 + ... + 20041.

It is an arithmetic number, because the mean of its divisors is an integer number (11814390).

Almost surely, 2^80868556 is an apocalyptic number.

It is an amenable number.

80868556 is a deficient number, since it is larger than the sum of its proper divisors (60904124).

80868556 is a wasteful number, since it uses less digits than its factorization.

80868556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36104 (or 36102 counting only the distinct ones).

The product of its (nonzero) digits is 460800, while the sum is 46.

The square root of 80868556 is about 8992.6945906108. The cubic root of 80868556 is about 432.4407011041.

The spelling of 80868556 in words is "eighty million, eight hundred sixty-eight thousand, five hundred fifty-six".