117900407 has 2 divisors, whose sum is σ = 117900408. Its totient is φ = 117900406.

The previous prime is 117900403. The next prime is 117900439. The reversal of 117900407 is 704009711.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 117900407 - 2² = 117900403 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 117900407.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (117900403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58950203 + 58950204.

It is an arithmetic number, because the mean of its divisors is an integer number (58950204).

Almost surely, 2^117900407 is an apocalyptic number.

117900407 is a deficient number, since it is larger than the sum of its proper divisors (1).

117900407 is an equidigital number, since it uses as much as digits as its factorization.

117900407 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1764, while the sum is 29.

The square root of 117900407 is about 10858.1953841327. The cubic root of 117900407 is about 490.3487826365.

The spelling of 117900407 in words is "one hundred seventeen million, nine hundred thousand, four hundred seven".