80687532 has 24 divisors (see below), whose sum is σ = 192278016. Its totient is φ = 26323408.

The previous prime is 80687531. The next prime is 80687543. The reversal of 80687532 is 23578608.

It is not an unprimeable number, because it can be changed into a prime (80687531) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 70968 + ... + 72095.

It is an arithmetic number, because the mean of its divisors is an integer number (8011584).

Almost surely, 2^80687532 is an apocalyptic number.

It is an amenable number.

80687532 is an abundant number, since it is smaller than the sum of its proper divisors (111590484).

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

80687532 is a wasteful number, since it uses less digits than its factorization.

80687532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143117 (or 143115 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 39.

The square root of 80687532 is about 8982.6238928278. The cubic root of 80687532 is about 432.1177876689.

The spelling of 80687532 in words is "eighty million, six hundred eighty-seven thousand, five hundred thirty-two".