87680804 has 12 divisors (see below), whose sum is σ = 158732700. Its totient is φ = 42328608.

The previous prime is 87680771. The next prime is 87680809. The reversal of 87680804 is 40808678.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 41576704 + 46104100 = 6448^2 + 6790^2 .

It is not an unprimeable number, because it can be changed into a prime (87680809) 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, 377819 + ... + 378050.

It is an arithmetic number, because the mean of its divisors is an integer number (13227725).

Almost surely, 2^87680804 is an apocalyptic number.

It is an amenable number.

87680804 is a deficient number, since it is larger than the sum of its proper divisors (71051896).

87680804 is a wasteful number, since it uses less digits than its factorization.

87680804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 755902 (or 755900 counting only the distinct ones).

The product of its (nonzero) digits is 86016, while the sum is 41.

The square root of 87680804 is about 9363.8028599496. The cubic root of 87680804 is about 444.2575744865.

The spelling of 87680804 in words is "eighty-seven million, six hundred eighty thousand, eight hundred four".