117609701 has 6 divisors (see below), whose sum is σ = 129273606. Its totient is φ = 106917800.

The previous prime is 117609697. The next prime is 117609727. The reversal of 117609701 is 107906711.

It can be written as a sum of positive squares in only one way, i.e., 68973025 + 48636676 = 8305^2 + 6974^2 .

It is not a de Polignac number, because 117609701 - 2² = 117609697 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117609731) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 485870 + ... + 486111.

It is an arithmetic number, because the mean of its divisors is an integer number (21545601).

Almost surely, 2^117609701 is an apocalyptic number.

117609701 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

117609701 is a deficient number, since it is larger than the sum of its proper divisors (11663905).

117609701 is an equidigital number, since it uses as much as digits as its factorization.

117609701 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 972003 (or 971992 counting only the distinct ones).

The product of its (nonzero) digits is 2646, while the sum is 32.

The square root of 117609701 is about 10844.8006436264. The cubic root of 117609701 is about 489.9454347125.

The spelling of 117609701 in words is "one hundred seventeen million, six hundred nine thousand, seven hundred one".