80687000 has 32 divisors (see below), whose sum is σ = 188809920. Its totient is φ = 32274400.

The previous prime is 80686999. The next prime is 80687003. The reversal of 80687000 is 78608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80687003) 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, 39344 + ... + 41343.

It is an arithmetic number, because the mean of its divisors is an integer number (5900310).

Almost surely, 2^80687000 is an apocalyptic number.

It is an amenable number.

80687000 is an abundant number, since it is smaller than the sum of its proper divisors (108122920).

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

80687000 is a wasteful number, since it uses less digits than its factorization.

80687000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80708 (or 80694 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 29.

The square root of 80687000 is about 8982.5942800507. The cubic root of 80687000 is about 432.1168379675.

The spelling of 80687000 in words is "eighty million, six hundred eighty-seven thousand".