117667854840 has 128 divisors (see below), whose sum is σ = 376062600960. Its totient is φ = 29351061504.

The previous prime is 117667854779. The next prime is 117667854937. The reversal of 117667854840 is 48458766711.

It is a super-2 number, since 2×117667854840² (a number of 23 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 31 ways as a sum of consecutive naturals, for example, 155587 + ... + 509453.

It is an arithmetic number, because the mean of its divisors is an integer number (2937989070).

Almost surely, 2^117667854840 is an apocalyptic number.

117667854840 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 117667854840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (188031300480).

117667854840 is an abundant number, since it is smaller than the sum of its proper divisors (258394746120).

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

117667854840 is a wasteful number, since it uses less digits than its factorization.

117667854840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 354061 (or 354057 counting only the distinct ones).

The product of its (nonzero) digits is 9031680, while the sum is 57.

The spelling of 117667854840 in words is "one hundred seventeen billion, six hundred sixty-seven million, eight hundred fifty-four thousand, eight hundred forty".