87247503 has 16 divisors (see below), whose sum is σ = 147720960. Its totient is φ = 49855608.

The previous prime is 87247493. The next prime is 87247529. The reversal of 87247503 is 30574278.

It is not a de Polignac number, because 87247503 - 2⁶ = 87247439 is a prime.

It is a super-2 number, since 2×87247503² = 15224253559470018, which contains 22 as substring.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87247583) 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, 230625 + ... + 231002.

It is an arithmetic number, because the mean of its divisors is an integer number (9232560).

Almost surely, 2^87247503 is an apocalyptic number.

87247503 is a deficient number, since it is larger than the sum of its proper divisors (60473457).

87247503 is a wasteful number, since it uses less digits than its factorization.

87247503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 461643 (or 461637 counting only the distinct ones).

The product of its (nonzero) digits is 47040, while the sum is 36.

The square root of 87247503 is about 9340.6371838328. The cubic root of 87247503 is about 443.5245549799.

The spelling of 87247503 in words is "eighty-seven million, two hundred forty-seven thousand, five hundred three".