87680040 has 64 divisors (see below), whose sum is σ = 300620160. Its totient is φ = 20040960.

The previous prime is 87680029. The next prime is 87680057. The reversal of 87680040 is 4008678.

It is a junction number, because it is equal to n+sod(n) for n = 87679983 and 87680010.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 51351 + ... + 53030.

It is an arithmetic number, because the mean of its divisors is an integer number (4697190).

Almost surely, 2^87680040 is an apocalyptic number.

It is an amenable number.

87680040 is an abundant number, since it is smaller than the sum of its proper divisors (212940120).

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

87680040 is a wasteful number, since it uses less digits than its factorization.

87680040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104402 (or 104398 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 33.

The square root of 87680040 is about 9363.7620644696. The cubic root of 87680040 is about 444.2562841479.

The spelling of 87680040 in words is "eighty-seven million, six hundred eighty thousand, forty".