87506715 has 16 divisors (see below), whose sum is σ = 142990848. Its totient is φ = 45676896.

The previous prime is 87506663. The next prime is 87506729. The reversal of 87506715 is 51760578.

It is not a de Polignac number, because 87506715 - 2⁹ = 87506203 is a prime.

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 15 ways as a sum of consecutive naturals, for example, 61357 + ... + 62766.

It is an arithmetic number, because the mean of its divisors is an integer number (8936928).

Almost surely, 2^87506715 is an apocalyptic number.

87506715 is a deficient number, since it is larger than the sum of its proper divisors (55484133).

87506715 is a wasteful number, since it uses less digits than its factorization.

87506715 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124178.

The product of its (nonzero) digits is 58800, while the sum is 39.

The square root of 87506715 is about 9354.5023918966. The cubic root of 87506715 is about 443.9633572958.

The spelling of 87506715 in words is "eighty-seven million, five hundred six thousand, seven hundred fifteen".