87898480 has 20 divisors (see below), whose sum is σ = 204364152. Its totient is φ = 35159360.

The previous prime is 87898463. The next prime is 87898501. The reversal of 87898480 is 8489878.

It is a tau number, because it is divible by the number of its divisors (20).

It is a super-2 number, since 2×87898480² = 15452285572620800, which contains 22 as substring.

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, 549286 + ... + 549445.

Almost surely, 2^87898480 is an apocalyptic number.

87898480 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

87898480 is an abundant number, since it is smaller than the sum of its proper divisors (116465672).

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

87898480 is a wasteful number, since it uses less digits than its factorization.

87898480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1098744 (or 1098738 counting only the distinct ones).

The product of its (nonzero) digits is 1032192, while the sum is 52.

The square root of 87898480 is about 9375.4189239735. The cubic root of 87898480 is about 444.6249080104.

The spelling of 87898480 in words is "eighty-seven million, eight hundred ninety-eight thousand, four hundred eighty".