87502797 has 12 divisors (see below), whose sum is σ = 126686560. Its totient is φ = 58199688.

The previous prime is 87502777. The next prime is 87502799. The reversal of 87502797 is 79720578.

It is not a de Polignac number, because 87502797 - 2¹⁰ = 87501773 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87502799) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7123 + ... + 15024.

Almost surely, 2^87502797 is an apocalyptic number.

It is an amenable number.

87502797 is a deficient number, since it is larger than the sum of its proper divisors (39183763).

87502797 is a wasteful number, since it uses less digits than its factorization.

87502797 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22592 (or 22589 counting only the distinct ones).

The product of its (nonzero) digits is 246960, while the sum is 45.

The square root of 87502797 is about 9354.2929716788. The cubic root of 87502797 is about 443.9567312352.

The spelling of 87502797 in words is "eighty-seven million, five hundred two thousand, seven hundred ninety-seven".