117661701 has 8 divisors (see below), whose sum is σ = 156933280. Its totient is φ = 78415632.

The previous prime is 117661681. The next prime is 117661703. The reversal of 117661701 is 107166711.

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

It is not a de Polignac number, because 117661701 - 2⁶ = 117661637 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117661703) 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, 11751 + ... + 19323.

It is an arithmetic number, because the mean of its divisors is an integer number (19616660).

Almost surely, 2^117661701 is an apocalyptic number.

It is an amenable number.

117661701 is a deficient number, since it is larger than the sum of its proper divisors (39271579).

117661701 is an equidigital number, since it uses as much as digits as its factorization.

117661701 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12755.

The product of its (nonzero) digits is 1764, while the sum is 30.

The square root of 117661701 is about 10847.1978409173. The cubic root of 117661701 is about 490.0176322962.

The spelling of 117661701 in words is "one hundred seventeen million, six hundred sixty-one thousand, seven hundred one".