87168299 has 16 divisors (see below), whose sum is σ = 94035168. Its totient is φ = 80512512.

The previous prime is 87168271. The next prime is 87168331. The reversal of 87168299 is 99286178.

It is a cyclic number.

It is not a de Polignac number, because 87168299 - 2⁸ = 87168043 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (87168209) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 314549 + ... + 314825.

It is an arithmetic number, because the mean of its divisors is an integer number (5877198).

Almost surely, 2^87168299 is an apocalyptic number.

87168299 is a deficient number, since it is larger than the sum of its proper divisors (6866869).

87168299 is a wasteful number, since it uses less digits than its factorization.

87168299 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 574.

The product of its digits is 435456, while the sum is 50.

The square root of 87168299 is about 9336.3964675886. The cubic root of 87168299 is about 443.3903026017.

The spelling of 87168299 in words is "eighty-seven million, one hundred sixty-eight thousand, two hundred ninety-nine".