87245624 has 32 divisors (see below), whose sum is σ = 174683520. Its totient is φ = 40752096.

The previous prime is 87245623. The next prime is 87245629. The reversal of 87245624 is 42654278.

It is a super-2 number, since 2×87245624² = 15223597814298752, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87245621) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2399 + ... + 13425.

It is an arithmetic number, because the mean of its divisors is an integer number (5458860).

Almost surely, 2^87245624 is an apocalyptic number.

It is an amenable number.

87245624 is an abundant number, since it is smaller than the sum of its proper divisors (87437896).

87245624 is a wasteful number, since it uses less digits than its factorization.

87245624 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11099 (or 11095 counting only the distinct ones).

The product of its digits is 107520, while the sum is 38.

The square root of 87245624 is about 9340.5366012880. The cubic root of 87245624 is about 443.5213709781.

The spelling of 87245624 in words is "eighty-seven million, two hundred forty-five thousand, six hundred twenty-four".