87465915 has 24 divisors (see below), whose sum is σ = 155308608. Its totient is φ = 45509760.

The previous prime is 87465883. The next prime is 87465923. The reversal of 87465915 is 51956478.

It is not a de Polignac number, because 87465915 - 2⁵ = 87465883 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 21859 + ... + 25548.

It is an arithmetic number, because the mean of its divisors is an integer number (6471192).

Almost surely, 2^87465915 is an apocalyptic number.

87465915 is a deficient number, since it is larger than the sum of its proper divisors (67842693).

87465915 is a wasteful number, since it uses less digits than its factorization.

87465915 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47459 (or 47456 counting only the distinct ones).

The product of its digits is 302400, while the sum is 45.

The square root of 87465915 is about 9352.3213695852. The cubic root of 87465915 is about 443.8943472742.

The spelling of 87465915 in words is "eighty-seven million, four hundred sixty-five thousand, nine hundred fifteen".