87909255 has 48 divisors (see below), whose sum is σ = 175406400. Its totient is φ = 39896064.

The previous prime is 87909229. The next prime is 87909271. The reversal of 87909255 is 55290978.

It is a happy number.

It is not a de Polignac number, because 87909255 - 2⁶ = 87909191 is a prime.

It is a super-2 number, since 2×87909255² = 15456074229310050, which contains 22 as substring.

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 87909255.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 45999 + ... + 47871.

It is an arithmetic number, because the mean of its divisors is an integer number (3654300).

Almost surely, 2^87909255 is an apocalyptic number.

87909255 is a deficient number, since it is larger than the sum of its proper divisors (87497145).

87909255 is a wasteful number, since it uses less digits than its factorization.

87909255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2040 (or 2037 counting only the distinct ones).

The product of its (nonzero) digits is 226800, while the sum is 45.

The square root of 87909255 is about 9375.9935473527. The cubic root of 87909255 is about 444.6430753236.

The spelling of 87909255 in words is "eighty-seven million, nine hundred nine thousand, two hundred fifty-five".