87475275 has 24 divisors (see below), whose sum is σ = 160696560. Its totient is φ = 46653120.

The previous prime is 87475261. The next prime is 87475291. The reversal of 87475275 is 57257478.

87475275 is a `hidden beast` number, since 87 + 47 + 527 + 5 = 666.

It is not a de Polignac number, because 87475275 - 2¹⁷ = 87344203 is a prime.

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

It is a self number, because there is not a number n which added to its sum of digits gives 87475275.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 64122 + ... + 65471.

It is an arithmetic number, because the mean of its divisors is an integer number (6695690).

Almost surely, 2^87475275 is an apocalyptic number.

87475275 is a deficient number, since it is larger than the sum of its proper divisors (73221285).

87475275 is a wasteful number, since it uses less digits than its factorization.

87475275 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129612 (or 129601 counting only the distinct ones).

The product of its digits is 548800, while the sum is 45.

The square root of 87475275 is about 9352.8217667183. The cubic root of 87475275 is about 443.9101808816.

The spelling of 87475275 in words is "eighty-seven million, four hundred seventy-five thousand, two hundred seventy-five".