117878524233840 has 200 divisors, whose sum is σ = 409577630383680. Its totient is φ = 31421370161664.

The previous prime is 117878524233797. The next prime is 117878524233859. The reversal of 117878524233840 is 48332425878711.

117878524233840 is a `hidden beast` number, since 1 + 1 + 7 + 8 + 7 + 8 + 5 + 242 + 3 + 384 + 0 = 666.

It is a super-2 number, since 2×117878524233840² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 12059481 + ... + 19524039.

Almost surely, 2^{117878524233840} is an apocalyptic number.

117878524233840 is a gapful number since it is divisible by the number (10) 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 117878524233840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (204788815191840).

117878524233840 is an abundant number, since it is smaller than the sum of its proper divisors (291699106149840).

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

117878524233840 is a wasteful number, since it uses less digits than its factorization.

117878524233840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7467021 (or 7467006 counting only the distinct ones).

The product of its (nonzero) digits is 72253440, while the sum is 63.

The spelling of 117878524233840 in words is "one hundred seventeen trillion, eight hundred seventy-eight billion, five hundred twenty-four million, two hundred thirty-three thousand, eight hundred forty".