80080660631 has 4 divisors (see below), whose sum is σ = 80204433552. Its totient is φ = 79956887712.

The previous prime is 80080660591. The next prime is 80080660663. The reversal of 80080660631 is 13606608008.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 80080660631 - 2¹⁸ = 80080398487 is a prime.

It is a super-2 number, since 2×80080660631² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80080662631) 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 3 ways as a sum of consecutive naturals, for example, 61885490 + ... + 61886783.

It is an arithmetic number, because the mean of its divisors is an integer number (20051108388).

Almost surely, 2^80080660631 is an apocalyptic number.

80080660631 is a deficient number, since it is larger than the sum of its proper divisors (123772921).

80080660631 is a wasteful number, since it uses less digits than its factorization.

80080660631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123772920.

The product of its (nonzero) digits is 41472, while the sum is 38.

The spelling of 80080660631 in words is "eighty billion, eighty million, six hundred sixty thousand, six hundred thirty-one".