87712808 has 8 divisors (see below), whose sum is σ = 164461530. Its totient is φ = 43856400.

The previous prime is 87712787. The next prime is 87712811. The reversal of 87712808 is 80821778.

It can be written as a sum of positive squares in only one way, i.e., 56821444 + 30891364 = 7538^2 + 5558^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5482043 + ... + 5482058.

Almost surely, 2^87712808 is an apocalyptic number.

It is an amenable number.

87712808 is a deficient number, since it is larger than the sum of its proper divisors (76748722).

87712808 is a wasteful number, since it uses less digits than its factorization.

87712808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10964107 (or 10964103 counting only the distinct ones).

The product of its (nonzero) digits is 50176, while the sum is 41.

The square root of 87712808 is about 9365.5116251062. The cubic root of 87712808 is about 444.3116201051.

The spelling of 87712808 in words is "eighty-seven million, seven hundred twelve thousand, eight hundred eight".