117697454 has 16 divisors (see below), whose sum is σ = 202121568. Its totient is φ = 50353152.

The previous prime is 117697451. The next prime is 117697499. The reversal of 117697454 is 454796711.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117697451) 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, 1214 + ... + 15390.

It is an arithmetic number, because the mean of its divisors is an integer number (12632598).

Almost surely, 2^117697454 is an apocalyptic number.

117697454 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

117697454 is a deficient number, since it is larger than the sum of its proper divisors (84424114).

117697454 is a wasteful number, since it uses less digits than its factorization.

117697454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14779.

The product of its digits is 211680, while the sum is 44.

The square root of 117697454 is about 10848.8457450551. The cubic root of 117697454 is about 490.0672599605.

The spelling of 117697454 in words is "one hundred seventeen million, six hundred ninety-seven thousand, four hundred fifty-four".