117851701 has 48 divisors (see below), whose sum is σ = 148925952. Its totient is φ = 92618240.

The previous prime is 117851687. The next prime is 117851717. The reversal of 117851701 is 107158711.

It is not a de Polignac number, because 117851701 - 2⁹ = 117851189 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 (117851761) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2223591 + ... + 2223643.

It is an arithmetic number, because the mean of its divisors is an integer number (3102624).

Almost surely, 2^117851701 is an apocalyptic number.

117851701 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

117851701 is a deficient number, since it is larger than the sum of its proper divisors (31074251).

117851701 is a wasteful number, since it uses less digits than its factorization.

117851701 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162 (or 151 counting only the distinct ones).

The product of its (nonzero) digits is 1960, while the sum is 31.

The square root of 117851701 is about 10855.9523304038. The cubic root of 117851701 is about 490.2812504485.

The spelling of 117851701 in words is "one hundred seventeen million, eight hundred fifty-one thousand, seven hundred one".