97884689056 has 96 divisors (see below), whose sum is σ = 240346673280. Its totient is φ = 38123520000.

The previous prime is 97884689051. The next prime is 97884689087. The reversal of 97884689056 is 65098648879.

It is a super-2 number, since 2×97884689056² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (97884689051) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9853500 + ... + 9863428.

It is an arithmetic number, because the mean of its divisors is an integer number (2503611180).

Almost surely, 2^97884689056 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 97884689056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (120173336640).

97884689056 is an abundant number, since it is smaller than the sum of its proper divisors (142461984224).

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

97884689056 is a wasteful number, since it uses less digits than its factorization.

97884689056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13958 (or 13950 counting only the distinct ones).

The product of its (nonzero) digits is 209018880, while the sum is 70.

The spelling of 97884689056 in words is "ninety-seven billion, eight hundred eighty-four million, six hundred eighty-nine thousand, fifty-six".