117648307 has 4 divisors (see below), whose sum is σ = 134455216. Its totient is φ = 100841400.

The previous prime is 117648277. The next prime is 117648329. The reversal of 117648307 is 703846711.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 117648307 - 2¹⁵ = 117615539 is a prime.

It is a super-2 number, since 2×117648307² = 27682248279932498, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (117648337) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8403444 + ... + 8403457.

It is an arithmetic number, because the mean of its divisors is an integer number (33613804).

Almost surely, 2^117648307 is an apocalyptic number.

117648307 is a deficient number, since it is larger than the sum of its proper divisors (16806909).

117648307 is an equidigital number, since it uses as much as digits as its factorization.

117648307 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16806908.

The product of its (nonzero) digits is 28224, while the sum is 37.

The square root of 117648307 is about 10846.5804288725. The cubic root of 117648307 is about 489.9990378990. Note that the first 3 decimals are identical.

The spelling of 117648307 in words is "one hundred seventeen million, six hundred forty-eight thousand, three hundred seven".