80063744072 has 32 divisors (see below), whose sum is σ = 162177233400. Its totient is φ = 36835912704.

The previous prime is 80063744029. The next prime is 80063744087. The reversal of 80063744072 is 27044736008.

It can be written as a sum of positive squares in 4 ways, for example, as 24172164676 + 55891579396 = 155474^2 + 236414^2 .

It is a super-2 number, since 2×80063744072² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1181297 + ... + 1247232.

Almost surely, 2^80063744072 is an apocalyptic number.

It is an amenable number.

80063744072 is an abundant number, since it is smaller than the sum of its proper divisors (82113489328).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

80063744072 is a wasteful number, since it uses less digits than its factorization.

80063744072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2428865 (or 2428861 counting only the distinct ones).

The product of its (nonzero) digits is 225792, while the sum is 41.

The spelling of 80063744072 in words is "eighty billion, sixty-three million, seven hundred forty-four thousand, seventy-two".