87961039325 has 24 divisors (see below), whose sum is σ = 111686839680. Its totient is φ = 68689555200.

The previous prime is 87961039297. The next prime is 87961039337. The reversal of 87961039325 is 52393016978.

It is not a de Polignac number, because 87961039325 - 2¹² = 87961035229 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 346565 + ... + 544085.

It is an arithmetic number, because the mean of its divisors is an integer number (4653618320).

Almost surely, 2^87961039325 is an apocalyptic number.

It is an amenable number.

87961039325 is a deficient number, since it is larger than the sum of its proper divisors (23725800355).

87961039325 is a wasteful number, since it uses less digits than its factorization.

87961039325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197957 (or 197952 counting only the distinct ones).

The product of its (nonzero) digits is 2449440, while the sum is 53.

The spelling of 87961039325 in words is "eighty-seven billion, nine hundred sixty-one million, thirty-nine thousand, three hundred twenty-five".