87768804 has 12 divisors (see below), whose sum is σ = 204793904. Its totient is φ = 29256264.

The previous prime is 87768803. The next prime is 87768829. The reversal of 87768804 is 40886778.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (87768803) 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, 3657022 + ... + 3657045.

Almost surely, 2^87768804 is an apocalyptic number.

It is an amenable number.

87768804 is an abundant number, since it is smaller than the sum of its proper divisors (117025100).

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

87768804 is a wasteful number, since it uses less digits than its factorization.

87768804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7314074 (or 7314072 counting only the distinct ones).

The product of its (nonzero) digits is 602112, while the sum is 48.

The square root of 87768804 is about 9368.5006271014. The cubic root of 87768804 is about 444.4061497468.

The spelling of 87768804 in words is "eighty-seven million, seven hundred sixty-eight thousand, eight hundred four".