87480015 has 32 divisors (see below), whose sum is σ = 160882176. Its totient is φ = 39761280.

The previous prime is 87480007. The next prime is 87480031. The reversal of 87480015 is 51008478.

It is a happy number.

It is not a de Polignac number, because 87480015 - 2³ = 87480007 is a prime.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 16704 + ... + 21306.

It is an arithmetic number, because the mean of its divisors is an integer number (5027568).

Almost surely, 2^87480015 is an apocalyptic number.

87480015 is a deficient number, since it is larger than the sum of its proper divisors (73402161).

87480015 is a wasteful number, since it uses less digits than its factorization.

87480015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4799.

The product of its (nonzero) digits is 8960, while the sum is 33.

The square root of 87480015 is about 9353.0751627473. The cubic root of 87480015 is about 443.9181987520.

The spelling of 87480015 in words is "eighty-seven million, four hundred eighty thousand, fifteen".