87489168 has 40 divisors (see below), whose sum is σ = 243401088. Its totient is φ = 26919552.

The previous prime is 87489151. The next prime is 87489179. The reversal of 87489168 is 86198478.

It is a self number, because there is not a number n which added to its sum of digits gives 87489168.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69480 + ... + 70727.

Almost surely, 2^87489168 is an apocalyptic number.

It is an amenable number.

87489168 is an abundant number, since it is smaller than the sum of its proper divisors (155911920).

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

87489168 is a wasteful number, since it uses less digits than its factorization.

87489168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140231 (or 140225 counting only the distinct ones).

The product of its digits is 774144, while the sum is 51.

The square root of 87489168 is about 9353.5644542602. The cubic root of 87489168 is about 443.9336805417.

The spelling of 87489168 in words is "eighty-seven million, four hundred eighty-nine thousand, one hundred sixty-eight".