117697654 has 4 divisors (see below), whose sum is σ = 176546484. Its totient is φ = 58848826.

The previous prime is 117697649. The next prime is 117697661. The reversal of 117697654 is 456796711.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 456796711 = 7 ⋅65256673.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 29424412 + ... + 29424415.

It is an arithmetic number, because the mean of its divisors is an integer number (44136621).

Almost surely, 2^117697654 is an apocalyptic number.

117697654 is a deficient number, since it is larger than the sum of its proper divisors (58848830).

117697654 is an equidigital number, since it uses as much as digits as its factorization.

117697654 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58848829.

The product of its digits is 317520, while the sum is 46.

The square root of 117697654 is about 10848.8549626216. The cubic root of 117697654 is about 490.0675375462.

The spelling of 117697654 in words is "one hundred seventeen million, six hundred ninety-seven thousand, six hundred fifty-four".