97273547615920 has 320 divisors, whose sum is σ = 249023061504000. Its totient is φ = 35117418405888.

The previous prime is 97273547615911. The next prime is 97273547615927. The reversal of 97273547615920 is 2951674537279.

It is not an unprimeable number, because it can be changed into a prime (97273547615927) 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 63 ways as a sum of consecutive naturals, for example, 13741138941 + ... + 13741146019.

It is an arithmetic number, because the mean of its divisors is an integer number (778197067200).

Almost surely, 2^{97273547615920} 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 97273547615920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (124511530752000).

97273547615920 is an abundant number, since it is smaller than the sum of its proper divisors (151749513888080).

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

97273547615920 is a wasteful number, since it uses less digits than its factorization.

97273547615920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8340 (or 8334 counting only the distinct ones).

The product of its (nonzero) digits is 200037600, while the sum is 67.

The spelling of 97273547615920 in words is "ninety-seven trillion, two hundred seventy-three billion, five hundred forty-seven million, six hundred fifteen thousand, nine hundred twenty".