117654739 has 16 divisors (see below), whose sum is σ = 127650816. Its totient is φ = 108035200.

The previous prime is 117654697. The next prime is 117654749. The reversal of 117654739 is 937456711.

It is a cyclic number.

It is not a de Polignac number, because 117654739 - 2⁹ = 117654227 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 117654695 and 117654704.

It is not an unprimeable number, because it can be changed into a prime (117654749) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 128694 + ... + 129604.

It is an arithmetic number, because the mean of its divisors is an integer number (7978176).

Almost surely, 2^117654739 is an apocalyptic number.

117654739 is a deficient number, since it is larger than the sum of its proper divisors (9996077).

117654739 is a wasteful number, since it uses less digits than its factorization.

117654739 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1106.

The product of its digits is 158760, while the sum is 43.

The square root of 117654739 is about 10846.8769237970. The cubic root of 117654739 is about 490.0079673840.

The spelling of 117654739 in words is "one hundred seventeen million, six hundred fifty-four thousand, seven hundred thirty-nine".