80946144572 has 12 divisors (see below), whose sum is σ = 149988444480. Its totient is φ = 38092303296.

The previous prime is 80946144571. The next prime is 80946144577. The reversal of 80946144572 is 27544164908.

It is a super-2 number, since 2×80946144572² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 80946144572.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80946144571) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 595192172 + ... + 595192307.

It is an arithmetic number, because the mean of its divisors is an integer number (12499037040).

Almost surely, 2^80946144572 is an apocalyptic number.

It is an amenable number.

80946144572 is a deficient number, since it is larger than the sum of its proper divisors (69042299908).

80946144572 is a wasteful number, since it uses less digits than its factorization.

80946144572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1190384500 (or 1190384498 counting only the distinct ones).

The product of its (nonzero) digits is 1935360, while the sum is 50.

The spelling of 80946144572 in words is "eighty billion, nine hundred forty-six million, one hundred forty-four thousand, five hundred seventy-two".