117761739 has 8 divisors (see below), whose sum is σ = 158483520. Its totient is φ = 77773896.

The previous prime is 117761701. The next prime is 117761741. The reversal of 117761739 is 937167711.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 117761739 - 2¹³ = 117753547 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 117761739.

It is not an unprimeable number, because it can be changed into a prime (117761759) 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, 183109 + ... + 183750.

It is an arithmetic number, because the mean of its divisors is an integer number (19810440).

Almost surely, 2^117761739 is an apocalyptic number.

117761739 is a deficient number, since it is larger than the sum of its proper divisors (40721781).

117761739 is a wasteful number, since it uses less digits than its factorization.

117761739 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 366969.

The product of its digits is 55566, while the sum is 42.

The square root of 117761739 is about 10851.8080981927. The cubic root of 117761739 is about 490.1564667609.

The spelling of 117761739 in words is "one hundred seventeen million, seven hundred sixty-one thousand, seven hundred thirty-nine".