87475415 has 4 divisors (see below), whose sum is σ = 104970504. Its totient is φ = 69980328.

The previous prime is 87475369. The next prime is 87475429. The reversal of 87475415 is 51457478.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 87475415 - 2⁶ = 87475351 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8747537 + ... + 8747546.

It is an arithmetic number, because the mean of its divisors is an integer number (26242626).

Almost surely, 2^87475415 is an apocalyptic number.

87475415 is a deficient number, since it is larger than the sum of its proper divisors (17495089).

87475415 is a wasteful number, since it uses less digits than its factorization.

87475415 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17495088.

The product of its digits is 156800, while the sum is 41.

The square root of 87475415 is about 9352.8292510876. The cubic root of 87475415 is about 443.9104177005.

The spelling of 87475415 in words is "eighty-seven million, four hundred seventy-five thousand, four hundred fifteen".