87865602396 has 192 divisors, whose sum is σ = 243838425600. Its totient is φ = 24275635200.

The previous prime is 87865602361. The next prime is 87865602443. The reversal of 87865602396 is 69320656878.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 86226775 + ... + 86227793.

It is an arithmetic number, because the mean of its divisors is an integer number (1269991800).

Almost surely, 2^87865602396 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 87865602396, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (121919212800).

87865602396 is an abundant number, since it is smaller than the sum of its proper divisors (155972823204).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

87865602396 is a wasteful number, since it uses less digits than its factorization.

87865602396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1620 (or 1618 counting only the distinct ones).

The product of its (nonzero) digits is 26127360, while the sum is 60.

The spelling of 87865602396 in words is "eighty-seven billion, eight hundred sixty-five million, six hundred two thousand, three hundred ninety-six".