87524902 has 4 divisors (see below), whose sum is σ = 131287356. Its totient is φ = 43762450.

The previous prime is 87524881. The next prime is 87524947. The reversal of 87524902 is 20942578.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21881224 + ... + 21881227.

It is an arithmetic number, because the mean of its divisors is an integer number (32821839).

Almost surely, 2^87524902 is an apocalyptic number.

87524902 is a deficient number, since it is larger than the sum of its proper divisors (43762454).

87524902 is a wasteful number, since it uses less digits than its factorization.

87524902 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43762453.

The product of its (nonzero) digits is 40320, while the sum is 37.

The square root of 87524902 is about 9355.4744401340. The cubic root of 87524902 is about 443.9941122775.

The spelling of 87524902 in words is "eighty-seven million, five hundred twenty-four thousand, nine hundred two".