97887685584 has 80 divisors (see below), whose sum is σ = 288347919552. Its totient is φ = 28347561984.

The previous prime is 97887685583. The next prime is 97887685589. The reversal of 97887685584 is 48558678879.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97887685583) 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 15 ways as a sum of consecutive naturals, for example, 4603254 + ... + 4624469.

Almost surely, 2^97887685584 is an apocalyptic number.

It is an amenable number.

97887685584 is an abundant number, since it is smaller than the sum of its proper divisors (190460233968).

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

97887685584 is a wasteful number, since it uses less digits than its factorization.

97887685584 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9227764 (or 9227758 counting only the distinct ones).

The product of its digits is 1083801600, while the sum is 75.

The spelling of 97887685584 in words is "ninety-seven billion, eight hundred eighty-seven million, six hundred eighty-five thousand, five hundred eighty-four".