80624422731 has 16 divisors (see below), whose sum is σ = 110598287744. Its totient is φ = 52222065984.

The previous prime is 80624422729. The next prime is 80624422741. The reversal of 80624422731 is 13722442608.

It is a happy number.

It is not a de Polignac number, because 80624422731 - 2¹ = 80624422729 is a prime.

It is a super-2 number, since 2×80624422731² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 80624422731.

It is not an unprimeable number, because it can be changed into a prime (80624422741) 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 15 ways as a sum of consecutive naturals, for example, 2732701 + ... + 2762046.

It is an arithmetic number, because the mean of its divisors is an integer number (6912392984).

Almost surely, 2^80624422731 is an apocalyptic number.

80624422731 is a deficient number, since it is larger than the sum of its proper divisors (29973865013).

80624422731 is a wasteful number, since it uses less digits than its factorization.

80624422731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5494890.

The product of its (nonzero) digits is 129024, while the sum is 39.

The spelling of 80624422731 in words is "eighty billion, six hundred twenty-four million, four hundred twenty-two thousand, seven hundred thirty-one".