80900566 has 8 divisors (see below), whose sum is σ = 121392144. Its totient is φ = 40436520.

The previous prime is 80900551. The next prime is 80900627. The reversal of 80900566 is 66500908.

It is a sphenic number, since it is the product of 3 distinct primes.

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, 3751 + ... + 13261.

It is an arithmetic number, because the mean of its divisors is an integer number (15174018).

Almost surely, 2^80900566 is an apocalyptic number.

80900566 is a deficient number, since it is larger than the sum of its proper divisors (40491578).

80900566 is a wasteful number, since it uses less digits than its factorization.

80900566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13766.

The product of its (nonzero) digits is 12960, while the sum is 34.

The square root of 80900566 is about 8994.4741925251. The cubic root of 80900566 is about 432.4977508877.

The spelling of 80900566 in words is "eighty million, nine hundred thousand, five hundred sixty-six".