80037502281 has 27 divisors (see below), whose sum is σ = 127089977287. Its totient is φ = 48501918960.

The previous prime is 80037502267. The next prime is 80037502283. The reversal of 80037502281 is 18220573008.

The square root of 80037502281 is 282909.

It is a perfect power (a square), and thus also a powerful number.

80037502281 is a `hidden beast` number, since 8 + 0 + 0 + 375 + 0 + 2 + 281 = 666.

It can be written as a sum of positive squares in only one way, i.e., 25880765625 + 54156736656 = 160875^2 + 232716^2 .

It is not a de Polignac number, because 80037502281 - 2⁵ = 80037502249 is a prime.

It is a super-2 number, since 2×80037502281² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (80037502283) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 9331711 + ... + 9340283.

Almost surely, 2^80037502281 is an apocalyptic number.

80037502281 is the 282909-th square number.

80037502281 is the 141455-th centered octagonal number.

It is an amenable number.

80037502281 is a deficient number, since it is larger than the sum of its proper divisors (47052475006).

80037502281 is an frugal number, since it uses more digits than its factorization.

80037502281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17174 (or 8587 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 36.

Multiplying 80037502281 by its sum of digits (36), we get a square (2881350082116 = 1697454²).

The spelling of 80037502281 in words is "eighty billion, thirty-seven million, five hundred two thousand, two hundred eighty-one".