80936620 has 24 divisors (see below), whose sum is σ = 172018224. Its totient is φ = 31983936.

The previous prime is 80936617. The next prime is 80936627. The reversal of 80936620 is 2663908.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (80936627) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22719 + ... + 26038.

It is an arithmetic number, because the mean of its divisors is an integer number (7167426).

Almost surely, 2^80936620 is an apocalyptic number.

It is an amenable number.

80936620 is an abundant number, since it is smaller than the sum of its proper divisors (91081604).

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

80936620 is a wasteful number, since it uses less digits than its factorization.

80936620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48849 (or 48847 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 34.

The square root of 80936620 is about 8996.4781998291. The cubic root of 80936620 is about 432.5619900676.

The spelling of 80936620 in words is "eighty million, nine hundred thirty-six thousand, six hundred twenty".