87559968 has 24 divisors (see below), whose sum is σ = 229845168. Its totient is φ = 29186624.

The previous prime is 87559963. The next prime is 87559993. The reversal of 87559968 is 86995578.

It is a tau number, because it is divible by the number of its divisors (24).

It is a super-2 number, since 2×87559968² = 15333495992322048, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (87559963) 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, 455946 + ... + 456137.

It is an arithmetic number, because the mean of its divisors is an integer number (9576882).

Almost surely, 2^87559968 is an apocalyptic number.

It is an amenable number.

87559968 is an abundant number, since it is smaller than the sum of its proper divisors (142285200).

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

87559968 is a wasteful number, since it uses less digits than its factorization.

87559968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 912096 (or 912088 counting only the distinct ones).

The product of its digits is 5443200, while the sum is 57.

The square root of 87559968 is about 9357.3483423457. The cubic root of 87559968 is about 444.0533983338.

The spelling of 87559968 in words is "eighty-seven million, five hundred fifty-nine thousand, nine hundred sixty-eight".