117454959897 has 8 divisors (see below), whose sum is σ = 170843578080. Its totient is φ = 71184824160.

The previous prime is 117454959889. The next prime is 117454959929. The reversal of 117454959897 is 798959454711.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 117454959897 - 2³ = 117454959889 is a prime.

It is not an unprimeable number, because it can be changed into a prime (117454957897) 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, 1779620572 + ... + 1779620637.

It is an arithmetic number, because the mean of its divisors is an integer number (21355447260).

Almost surely, 2^117454959897 is an apocalyptic number.

It is an amenable number.

117454959897 is a deficient number, since it is larger than the sum of its proper divisors (53388618183).

117454959897 is a wasteful number, since it uses less digits than its factorization.

117454959897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3559241223.

The product of its digits is 114307200, while the sum is 69.

The spelling of 117454959897 in words is "one hundred seventeen billion, four hundred fifty-four million, nine hundred fifty-nine thousand, eight hundred ninety-seven".