80245457631 has 12 divisors (see below), whose sum is σ = 116973502360. Its totient is φ = 53006173200.

The previous prime is 80245457563. The next prime is 80245457647. The reversal of 80245457631 is 13675454208.

80245457631 is a `hidden beast` number, since 8 + 0 + 2 + 4 + 5 + 4 + 5 + 7 + 631 = 666.

It is not a de Polignac number, because 80245457631 - 2³⁴ = 63065588447 is a prime.

It is a super-2 number, since 2×80245457631² (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 (80245457651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 40898845 + ... + 40900806.

Almost surely, 2^80245457631 is an apocalyptic number.

80245457631 is a deficient number, since it is larger than the sum of its proper divisors (36728044729).

80245457631 is a wasteful number, since it uses less digits than its factorization.

80245457631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81799766 (or 81799763 counting only the distinct ones).

The product of its (nonzero) digits is 806400, while the sum is 45.

The spelling of 80245457631 in words is "eighty billion, two hundred forty-five million, four hundred fifty-seven thousand, six hundred thirty-one".