80920684 has 24 divisors (see below), whose sum is σ = 154350000. Its totient is φ = 36896064.

The previous prime is 80920673. The next prime is 80920687. The reversal of 80920684 is 48602908.

It is not an unprimeable number, because it can be changed into a prime (80920687) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5059 + ... + 13690.

It is an arithmetic number, because the mean of its divisors is an integer number (6431250).

Almost surely, 2^80920684 is an apocalyptic number.

It is an amenable number.

80920684 is a deficient number, since it is larger than the sum of its proper divisors (73429316).

80920684 is a wasteful number, since it uses less digits than its factorization.

80920684 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18849 (or 18847 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 37.

The square root of 80920684 is about 8995.5924763186. The cubic root of 80920684 is about 432.5335984680.

The spelling of 80920684 in words is "eighty million, nine hundred twenty thousand, six hundred eighty-four".