80280087632 has 20 divisors (see below), whose sum is σ = 164692239156. Its totient is φ = 37778864640.

The previous prime is 80280087631. The next prime is 80280087659. The reversal of 80280087632 is 23678008208.

It can be written as a sum of positive squares in 2 ways, for example, as 50605201936 + 29674885696 = 224956^2 + 172264^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80280087631) 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, 147573419 + ... + 147573962.

Almost surely, 2^80280087632 is an apocalyptic number.

It is an amenable number.

80280087632 is an abundant number, since it is smaller than the sum of its proper divisors (84412151524).

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

80280087632 is a wasteful number, since it uses less digits than its factorization.

80280087632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 295147406 (or 295147400 counting only the distinct ones).

The product of its (nonzero) digits is 258048, while the sum is 44.

The spelling of 80280087632 in words is "eighty billion, two hundred eighty million, eighty-seven thousand, six hundred thirty-two".