87502293 has 6 divisors (see below), whose sum is σ = 126392214. Its totient is φ = 58334856.

The previous prime is 87502279. The next prime is 87502313. The reversal of 87502293 is 39220578.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 86545809 + 956484 = 9303^2 + 978^2 .

It is not a de Polignac number, because 87502293 - 2⁶ = 87502229 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7502293) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4861230 + ... + 4861247.

It is an arithmetic number, because the mean of its divisors is an integer number (21065369).

Almost surely, 2^87502293 is an apocalyptic number.

It is an amenable number.

87502293 is a deficient number, since it is larger than the sum of its proper divisors (38889921).

87502293 is a wasteful number, since it uses less digits than its factorization.

87502293 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9722483 (or 9722480 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The square root of 87502293 is about 9354.2660321374. The cubic root of 87502293 is about 443.9558788639.

The spelling of 87502293 in words is "eighty-seven million, five hundred two thousand, two hundred ninety-three".