987795921336 has 64 divisors (see below), whose sum is σ = 2822945030400. Its totient is φ = 282160309248.

The previous prime is 987795921311. The next prime is 987795921349. The reversal of 987795921336 is 633129597789.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11976 + ... + 1405608.

It is an arithmetic number, because the mean of its divisors is an integer number (44108516100).

Almost surely, 2^987795921336 is an apocalyptic number.

It is an amenable number.

987795921336 is an abundant number, since it is smaller than the sum of its proper divisors (1835149109064).

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

987795921336 is a wasteful number, since it uses less digits than its factorization.

987795921336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1397868 (or 1397864 counting only the distinct ones).

The product of its digits is 154314720, while the sum is 69.

The spelling of 987795921336 in words is "nine hundred eighty-seven billion, seven hundred ninety-five million, nine hundred twenty-one thousand, three hundred thirty-six".