87451275 has 24 divisors (see below), whose sum is σ = 147044160. Its totient is φ = 45847840.

The previous prime is 87451253. The next prime is 87451289. The reversal of 87451275 is 57215478.

It is not a de Polignac number, because 87451275 - 2²⁶ = 20342411 is a prime.

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, 5457 + ... + 14306.

It is an arithmetic number, because the mean of its divisors is an integer number (6126840).

Almost surely, 2^87451275 is an apocalyptic number.

87451275 is a deficient number, since it is larger than the sum of its proper divisors (59592885).

87451275 is a wasteful number, since it uses less digits than its factorization.

87451275 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19835 (or 19830 counting only the distinct ones).

The product of its digits is 78400, while the sum is 39.

The square root of 87451275 is about 9351.5386434533. The cubic root of 87451275 is about 443.8695796229.

The spelling of 87451275 in words is "eighty-seven million, four hundred fifty-one thousand, two hundred seventy-five".