87502297 has 4 divisors (see below), whose sum is σ = 89364096. Its totient is φ = 85640500.

The previous prime is 87502279. The next prime is 87502313. The reversal of 87502297 is 79220578.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 87502297 - 2¹¹ = 87500249 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (87502237) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 930829 + ... + 930922.

It is an arithmetic number, because the mean of its divisors is an integer number (22341024).

Almost surely, 2^87502297 is an apocalyptic number.

It is an amenable number.

87502297 is a deficient number, since it is larger than the sum of its proper divisors (1861799).

87502297 is a wasteful number, since it uses less digits than its factorization.

87502297 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1861798.

The product of its (nonzero) digits is 70560, while the sum is 40.

The square root of 87502297 is about 9354.2662459436. The cubic root of 87502297 is about 443.9558856287.

The spelling of 87502297 in words is "eighty-seven million, five hundred two thousand, two hundred ninety-seven".