117801048438 has 64 divisors (see below), whose sum is σ = 268491801600. Its totient is φ = 38264516640.

The previous prime is 117801048419. The next prime is 117801048457. The reversal of 117801048438 is 834840108711.

117801048438 is a `hidden beast` number, since 1 + 178 + 0 + 1 + 0 + 48 + 438 = 666.

It is an interprime number because it is at equal distance from previous prime (117801048419) and next prime (117801048457).

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 117801048393 and 117801048402.

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, 941928 + ... + 1059636.

It is an arithmetic number, because the mean of its divisors is an integer number (4195184400).

Almost surely, 2^117801048438 is an apocalyptic number.

117801048438 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 117801048438, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (134245900800).

117801048438 is an abundant number, since it is smaller than the sum of its proper divisors (150690753162).

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

117801048438 is a wasteful number, since it uses less digits than its factorization.

117801048438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118194 (or 118188 counting only the distinct ones).

The product of its (nonzero) digits is 172032, while the sum is 45.

The spelling of 117801048438 in words is "one hundred seventeen billion, eight hundred one million, forty-eight thousand, four hundred thirty-eight".