87551480 has 16 divisors (see below), whose sum is σ = 196990920. Its totient is φ = 35020576.

The previous prime is 87551473. The next prime is 87551507. The reversal of 87551480 is 8415578.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1094354 + ... + 1094433.

Almost surely, 2^87551480 is an apocalyptic number.

It is an amenable number.

87551480 is an abundant number, since it is smaller than the sum of its proper divisors (109439440).

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

87551480 is a wasteful number, since it uses less digits than its factorization.

87551480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2188798 (or 2188794 counting only the distinct ones).

The product of its (nonzero) digits is 44800, while the sum is 38.

The square root of 87551480 is about 9356.8947840616. The cubic root of 87551480 is about 444.0390491317.

The spelling of 87551480 in words is "eighty-seven million, five hundred fifty-one thousand, four hundred eighty".