97875694920636 has 144 divisors (see below), whose sum is σ = 261637692301440. Its totient is φ = 30765053854080.

The previous prime is 97875694920631. The next prime is 97875694920683. The reversal of 97875694920636 is 63602949657879.

97875694920636 is a `hidden beast` number, since 9 + 7 + 8 + 7 + 5 + 69 + 492 + 0 + 63 + 6 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97875694920631) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 127184431 + ... + 127951673.

It is an arithmetic number, because the mean of its divisors is an integer number (1816928418760).

Almost surely, 2^{97875694920636} 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 97875694920636, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (130818846150720).

97875694920636 is an abundant number, since it is smaller than the sum of its proper divisors (163761997380804).

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

97875694920636 is a wasteful number, since it uses less digits than its factorization.

97875694920636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 768136 (or 768131 counting only the distinct ones).

The product of its (nonzero) digits is 7407106560, while the sum is 81.

The spelling of 97875694920636 in words is "ninety-seven trillion, eight hundred seventy-five billion, six hundred ninety-four million, nine hundred twenty thousand, six hundred thirty-six".