87555480 has 64 divisors (see below), whose sum is σ = 274095360. Its totient is φ = 22332288.

The previous prime is 87555383. The next prime is 87555487. The reversal of 87555480 is 8455578.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87555487) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13102 + ... + 18621.

It is an arithmetic number, because the mean of its divisors is an integer number (4282740).

Almost surely, 2^87555480 is an apocalyptic number.

It is an amenable number.

87555480 is an abundant number, since it is smaller than the sum of its proper divisors (186539880).

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

87555480 is a wasteful number, since it uses less digits than its factorization.

87555480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31760 (or 31756 counting only the distinct ones).

The product of its (nonzero) digits is 224000, while the sum is 42.

The square root of 87555480 is about 9357.1085277451. The cubic root of 87555480 is about 444.0458113594.

The spelling of 87555480 in words is "eighty-seven million, five hundred fifty-five thousand, four hundred eighty".