117082831866 has 256 divisors, whose sum is σ = 324159639552. Its totient is φ = 27209779200.

The previous prime is 117082831849. The next prime is 117082831883. The reversal of 117082831866 is 668138280711.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (117082831849) and next prime (117082831883).

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 40136640 + ... + 40139556.

It is an arithmetic number, because the mean of its divisors is an integer number (1266248592).

Almost surely, 2^117082831866 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 117082831866, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (162079819776).

117082831866 is an abundant number, since it is smaller than the sum of its proper divisors (207076807686).

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

117082831866 is a wasteful number, since it uses less digits than its factorization.

117082831866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3157.

The product of its (nonzero) digits is 774144, while the sum is 51.

The spelling of 117082831866 in words is "one hundred seventeen billion, eighty-two million, eight hundred thirty-one thousand, eight hundred sixty-six".