87023990524 has 12 divisors (see below), whose sum is σ = 152296939648. Its totient is φ = 43510579200.

The previous prime is 87023990509. The next prime is 87023990527. The reversal of 87023990524 is 42509932078.

It is a hoax number, since the sum of its digits (49) 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 (87023990527) 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 3 ways as a sum of consecutive naturals, for example, 209157 + ... + 466684.

Almost surely, 2^87023990524 is an apocalyptic number.

It is an amenable number.

87023990524 is a deficient number, since it is larger than the sum of its proper divisors (65272949124).

87023990524 is a wasteful number, since it uses less digits than its factorization.

87023990524 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 708036 (or 708034 counting only the distinct ones).

The product of its (nonzero) digits is 1088640, while the sum is 49.

The spelling of 87023990524 in words is "eighty-seven billion, twenty-three million, nine hundred ninety thousand, five hundred twenty-four".