97876853664 has 96 divisors (see below), whose sum is σ = 262068851520. Its totient is φ = 31974039552.

The previous prime is 97876853663. The next prime is 97876853687. The reversal of 97876853664 is 46635867879.

It is a tau number, because it is divible by the number of its divisors (96).

It is not an unprimeable number, because it can be changed into a prime (97876853663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4716399 + ... + 4737105.

It is an arithmetic number, because the mean of its divisors is an integer number (2729883870).

Almost surely, 2^97876853664 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 97876853664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (131034425760).

97876853664 is an abundant number, since it is smaller than the sum of its proper divisors (164191997856).

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

97876853664 is a wasteful number, since it uses less digits than its factorization.

97876853664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21702 (or 21694 counting only the distinct ones).

The product of its digits is 365783040, while the sum is 69.

The spelling of 97876853664 in words is "ninety-seven billion, eight hundred seventy-six million, eight hundred fifty-three thousand, six hundred sixty-four".