117852738 has 16 divisors (see below), whose sum is σ = 249570720. Its totient is φ = 36973376.

The previous prime is 117852719. The next prime is 117852739. The reversal of 117852738 is 837258711.

It is a self number, because there is not a number n which added to its sum of digits gives 117852738.

It is not an unprimeable number, because it can be changed into a prime (117852739) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 577608 + ... + 577811.

It is an arithmetic number, because the mean of its divisors is an integer number (15598170).

Almost surely, 2^117852738 is an apocalyptic number.

117852738 is an abundant number, since it is smaller than the sum of its proper divisors (131717982).

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

117852738 is a wasteful number, since it uses less digits than its factorization.

117852738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1155441.

The product of its digits is 94080, while the sum is 42.

The square root of 117852738 is about 10856.0000921150. Note that the first 4 decimals coincide. The cubic root of 117852738 is about 490.2826884710.

The spelling of 117852738 in words is "one hundred seventeen million, eight hundred fifty-two thousand, seven hundred thirty-eight".