97891582700 has 72 divisors (see below), whose sum is σ = 214815594672. Its totient is φ = 38718177280.

The previous prime is 97891582673. The next prime is 97891582741. The reversal of 97891582700 is 728519879.

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, 3506999 + ... + 3534801.

It is an arithmetic number, because the mean of its divisors is an integer number (2983549926).

Almost surely, 2^97891582700 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 97891582700, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (107407797336).

97891582700 is an abundant number, since it is smaller than the sum of its proper divisors (116924011972).

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

97891582700 is a wasteful number, since it uses less digits than its factorization.

97891582700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28211 (or 28204 counting only the distinct ones).

The product of its (nonzero) digits is 2540160, while the sum is 56.

The spelling of 97891582700 in words is "ninety-seven billion, eight hundred ninety-one million, five hundred eighty-two thousand, seven hundred".