80627636 has 18 divisors (see below), whose sum is σ = 142089570. Its totient is φ = 40032432.

The previous prime is 80627633. The next prime is 80627663. The reversal of 80627636 is 63672608.

It can be written as a sum of positive squares in only one way, i.e., 76667536 + 3960100 = 8756^2 + 1990^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 80627636.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80627633) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 158150 + ... + 158658.

It is an arithmetic number, because the mean of its divisors is an integer number (7893865).

Almost surely, 2^80627636 is an apocalyptic number.

It is an amenable number.

80627636 is a deficient number, since it is larger than the sum of its proper divisors (61461934).

80627636 is a wasteful number, since it uses less digits than its factorization.

80627636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 911 (or 710 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 38.

The square root of 80627636 is about 8979.2892814521. The cubic root of 80627636 is about 432.0108379197.

The spelling of 80627636 in words is "eighty million, six hundred twenty-seven thousand, six hundred thirty-six".