117648999 has 48 divisors (see below), whose sum is σ = 191027200. Its totient is φ = 69284160.

The previous prime is 117648929. The next prime is 117649031. The reversal of 117648999 is 999846711.

117648999 is a `hidden beast` number, since 1 + 1 + 76 + 489 + 99 = 666.

It is a Cunningham number, because it is equal to 490³-1.

It is not a de Polignac number, because 117648999 - 2⁸ = 117648743 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117648919) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 591102 + ... + 591300.

Almost surely, 2^117648999 is an apocalyptic number.

117648999 is a deficient number, since it is larger than the sum of its proper divisors (73378201).

117648999 is a wasteful number, since it uses less digits than its factorization.

117648999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 412 (or 409 counting only the distinct ones).

The product of its digits is 979776, while the sum is 54.

The square root of 117648999 is about 10846.6123282802. The cubic root of 117648999 is about 489.9999986117. Note that the first 5 decimals are identical.

The spelling of 117648999 in words is "one hundred seventeen million, six hundred forty-eight thousand, nine hundred ninety-nine".