117397458 has 32 divisors (see below), whose sum is σ = 262080000. Its totient is φ = 38953008.

The previous prime is 117397457. The next prime is 117397459. The reversal of 117397458 is 854793711.

It is an interprime number because it is at equal distance from previous prime (117397457) and next prime (117397459).

It is not an unprimeable number, because it can be changed into a prime (117397457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7168 + ... + 16916.

It is an arithmetic number, because the mean of its divisors is an integer number (8190000).

Almost surely, 2^117397458 is an apocalyptic number.

117397458 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

117397458 is an abundant number, since it is smaller than the sum of its proper divisors (144682542).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

117397458 is a wasteful number, since it uses less digits than its factorization.

117397458 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9983 (or 9977 counting only the distinct ones).

The product of its digits is 211680, while the sum is 45.

The square root of 117397458 is about 10835.0107521866. The cubic root of 117397458 is about 489.6505324381.

It can be divided in two parts, 117397 and 458, that added together give a triangular number (117855 = T₄₈₅).

The spelling of 117397458 in words is "one hundred seventeen million, three hundred ninety-seven thousand, four hundred fifty-eight".