97194564720 has 480 divisors, whose sum is σ = 377701968384. Its totient is φ = 22165862400.

The previous prime is 97194564653. The next prime is 97194564721. The reversal of 97194564720 is 2746549179.

97194564720 is a `hidden beast` number, since 9 + 7 + 1 + 9 + 4 + 564 + 72 + 0 = 666.

It is a super-2 number, since 2×97194564720² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97194564721) 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 95 ways as a sum of consecutive naturals, for example, 11107387 + ... + 11116133.

Almost surely, 2^97194564720 is an apocalyptic number.

97194564720 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 97194564720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (188850984192).

97194564720 is an abundant number, since it is smaller than the sum of its proper divisors (280507403664).

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

97194564720 is a wasteful number, since it uses less digits than its factorization.

97194564720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8861 (or 8852 counting only the distinct ones).

The product of its (nonzero) digits is 3810240, while the sum is 54.

The spelling of 97194564720 in words is "ninety-seven billion, one hundred ninety-four million, five hundred sixty-four thousand, seven hundred twenty".