87928299 has 12 divisors (see below), whose sum is σ = 127483200. Its totient is φ = 58399344.

The previous prime is 87928297. The next prime is 87928303. The reversal of 87928299 is 99282978.

It is not a de Polignac number, because 87928299 - 2¹ = 87928297 is a prime.

It is not an unprimeable number, because it can be changed into a prime (87928297) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15739 + ... + 20580.

It is an arithmetic number, because the mean of its divisors is an integer number (10623600).

Almost surely, 2^87928299 is an apocalyptic number.

87928299 is a deficient number, since it is larger than the sum of its proper divisors (39554901).

87928299 is a wasteful number, since it uses less digits than its factorization.

87928299 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36594 (or 36591 counting only the distinct ones).

The product of its digits is 1306368, while the sum is 54.

The square root of 87928299 is about 9377.0090647285. The cubic root of 87928299 is about 444.6751810495.

The spelling of 87928299 in words is "eighty-seven million, nine hundred twenty-eight thousand, two hundred ninety-nine".