80608761 has 12 divisors (see below), whose sum is σ = 116790960. Its totient is φ = 53574840.

The previous prime is 80608757. The next prime is 80608769. The reversal of 80608761 is 16780608.

It is not a de Polignac number, because 80608761 - 2² = 80608757 is a prime.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (80608769) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10551 + ... + 16508.

It is an arithmetic number, because the mean of its divisors is an integer number (9732580).

Almost surely, 2^80608761 is an apocalyptic number.

It is an amenable number.

80608761 is a deficient number, since it is larger than the sum of its proper divisors (36182199).

80608761 is a wasteful number, since it uses less digits than its factorization.

80608761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27396 (or 27393 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 36.

The square root of 80608761 is about 8978.2381902019. The cubic root of 80608761 is about 431.9771239172.

The spelling of 80608761 in words is "eighty million, six hundred eight thousand, seven hundred sixty-one".