87809934325 has 12 divisors (see below), whose sum is σ = 111201007680. Its totient is φ = 68753309360.

The previous prime is 87809934323. The next prime is 87809934347. The reversal of 87809934325 is 52343990878.

It is not a de Polignac number, because 87809934325 - 2¹ = 87809934323 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 87809934325.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87809934323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 37364755 + ... + 37367104.

It is an arithmetic number, because the mean of its divisors is an integer number (9266750640).

Almost surely, 2^87809934325 is an apocalyptic number.

It is an amenable number.

87809934325 is a deficient number, since it is larger than the sum of its proper divisors (23391073355).

87809934325 is a wasteful number, since it uses less digits than its factorization.

87809934325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74731916 (or 74731911 counting only the distinct ones).

The product of its (nonzero) digits is 13063680, while the sum is 58.

The spelling of 87809934325 in words is "eighty-seven billion, eight hundred nine million, nine hundred thirty-four thousand, three hundred twenty-five".