117753397 has 4 divisors (see below), whose sum is σ = 117866700. Its totient is φ = 117640096.

The previous prime is 117753367. The next prime is 117753451. The reversal of 117753397 is 793357711.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 793357711 = 19 ⋅41755669.

It can be written as a sum of positive squares in 2 ways, for example, as 63377521 + 54375876 = 7961^2 + 7374^2 .

It is a cyclic number.

It is not a de Polignac number, because 117753397 - 2²³ = 109364789 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 (117753347) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55078 + ... + 57175.

It is an arithmetic number, because the mean of its divisors is an integer number (29466675).

Almost surely, 2^117753397 is an apocalyptic number.

It is an amenable number.

117753397 is a deficient number, since it is larger than the sum of its proper divisors (113303).

117753397 is a wasteful number, since it uses less digits than its factorization.

117753397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113302.

The product of its digits is 138915, while the sum is 43.

The square root of 117753397 is about 10851.4237314741. The cubic root of 117753397 is about 490.1448925947.

The spelling of 117753397 in words is "one hundred seventeen million, seven hundred fifty-three thousand, three hundred ninety-seven".