80886620 has 12 divisors (see below), whose sum is σ = 169861944. Its totient is φ = 32354640.

The previous prime is 80886613. The next prime is 80886647. The reversal of 80886620 is 2668808.

It is a congruent number.

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, 2022146 + ... + 2022185.

It is an arithmetic number, because the mean of its divisors is an integer number (14155162).

Almost surely, 2^80886620 is an apocalyptic number.

It is an amenable number.

80886620 is an abundant number, since it is smaller than the sum of its proper divisors (88975324).

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

80886620 is a wasteful number, since it uses less digits than its factorization.

80886620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4044340 (or 4044338 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 38.

The square root of 80886620 is about 8993.6989053448. The cubic root of 80886620 is about 432.4728974964.

The spelling of 80886620 in words is "eighty million, eight hundred eighty-six thousand, six hundred twenty".