117397323648 has 256 divisors, whose sum is σ = 378788832000. Its totient is φ = 35499202560.

The previous prime is 117397323607. The next prime is 117397323689. The reversal of 117397323648 is 846323793711.

117397323648 is a `hidden beast` number, since 1 + 17 + 397 + 3 + 236 + 4 + 8 = 666.

It is an interprime number because it is at equal distance from previous prime (117397323607) and next prime (117397323689).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a junction number, because it is equal to n+sod(n) for n = 117397323594 and 117397323603.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 19347111 + ... + 19353177.

It is an arithmetic number, because the mean of its divisors is an integer number (1479643875).

Almost surely, 2^117397323648 is an apocalyptic number.

117397323648 is a gapful number since it is divisible by the number (18) 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 117397323648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (189394416000).

117397323648 is an abundant number, since it is smaller than the sum of its proper divisors (261391508352).

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

117397323648 is a wasteful number, since it uses less digits than its factorization.

117397323648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6610 (or 6592 counting only the distinct ones).

The product of its digits is 4572288, while the sum is 54.

The spelling of 117397323648 in words is "one hundred seventeen billion, three hundred ninety-seven million, three hundred twenty-three thousand, six hundred forty-eight".