87297267 has 16 divisors (see below), whose sum is σ = 125375360. Its totient is φ = 53851392.

The previous prime is 87297257. The next prime is 87297289. The reversal of 87297267 is 76279278.

It is not a de Polignac number, because 87297267 - 2²⁶ = 20188403 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (87297247) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 15358 + ... + 20259.

It is an arithmetic number, because the mean of its divisors is an integer number (7835960).

Almost surely, 2^87297267 is an apocalyptic number.

87297267 is a deficient number, since it is larger than the sum of its proper divisors (38078093).

87297267 is a wasteful number, since it uses less digits than its factorization.

87297267 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35682.

The product of its digits is 592704, while the sum is 48.

The square root of 87297267 is about 9343.3006480579. The cubic root of 87297267 is about 443.6088644068.

The spelling of 87297267 in words is "eighty-seven million, two hundred ninety-seven thousand, two hundred sixty-seven".