97397692793856 has 1232 divisors, whose sum is σ = 363850221504000. Its totient is φ = 25360750411776.

The previous prime is 97397692793761. The next prime is 97397692793881. The reversal of 97397692793856 is 65839729679379.

97397692793856 is a `hidden beast` number, since 9 + 7 + 3 + 9 + 76 + 92 + 79 + 385 + 6 = 666.

It is a super-2 number, since 2×97397692793856² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 111 ways as a sum of consecutive naturals, for example, 5366550670 + ... + 5366568818.

It is an arithmetic number, because the mean of its divisors is an integer number (295332972000).

Almost surely, 2^{97397692793856} is an apocalyptic number.

97397692793856 is a gapful number since it is divisible by the number (96) 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 97397692793856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (181925110752000).

97397692793856 is an abundant number, since it is smaller than the sum of its proper divisors (266452528710144).

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

97397692793856 is a wasteful number, since it uses less digits than its factorization.

97397692793856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18286 (or 18253 counting only the distinct ones).

The product of its digits is 58330964160, while the sum is 90.

The spelling of 97397692793856 in words is "ninety-seven trillion, three hundred ninety-seven billion, six hundred ninety-two million, seven hundred ninety-three thousand, eight hundred fifty-six".