117358500078 has 96 divisors (see below), whose sum is σ = 279019101600. Its totient is φ = 36552456576.

The previous prime is 117358500073. The next prime is 117358500079. The reversal of 117358500078 is 870005853711.

117358500078 is a `hidden beast` number, since 1 + 1 + 73 + 5 + 8 + 500 + 0 + 78 = 666.

117358500078 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117358500073) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1381828 + ... + 1464296.

It is an arithmetic number, because the mean of its divisors is an integer number (2906448975).

Almost surely, 2^117358500078 is an apocalyptic number.

117358500078 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 117358500078, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (139509550800).

117358500078 is an abundant number, since it is smaller than the sum of its proper divisors (161660601522).

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

117358500078 is a wasteful number, since it uses less digits than its factorization.

117358500078 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82591 (or 82566 counting only the distinct ones).

The product of its (nonzero) digits is 235200, while the sum is 45.

The spelling of 117358500078 in words is "one hundred seventeen billion, three hundred fifty-eight million, five hundred thousand, seventy-eight".