87480540 has 96 divisors (see below), whose sum is σ = 311055360. Its totient is φ = 19994688.

The previous prime is 87480509. The next prime is 87480551. The reversal of 87480540 is 4508478.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 87480495 and 87480504.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7792 + ... + 15351.

It is an arithmetic number, because the mean of its divisors is an integer number (3240160).

Almost surely, 2^87480540 is an apocalyptic number.

It is an amenable number.

87480540 is an abundant number, since it is smaller than the sum of its proper divisors (223574820).

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

87480540 is a wasteful number, since it uses less digits than its factorization.

87480540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23168 (or 23160 counting only the distinct ones).

The product of its (nonzero) digits is 35840, while the sum is 36.

The square root of 87480540 is about 9353.1032283408. The cubic root of 87480540 is about 443.9190867895.

The spelling of 87480540 in words is "eighty-seven million, four hundred eighty thousand, five hundred forty".