117151807 has 2 divisors, whose sum is σ = 117151808. Its totient is φ = 117151806.

The previous prime is 117151799. The next prime is 117151829. The reversal of 117151807 is 708151711.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 117151807 - 2³ = 117151799 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (117191807) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58575903 + 58575904.

It is an arithmetic number, because the mean of its divisors is an integer number (58575904).

Almost surely, 2^117151807 is an apocalyptic number.

117151807 is a deficient number, since it is larger than the sum of its proper divisors (1).

117151807 is an equidigital number, since it uses as much as digits as its factorization.

117151807 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1960, while the sum is 31.

The square root of 117151807 is about 10823.6688327018. The cubic root of 117151807 is about 489.3087671248.

The spelling of 117151807 in words is "one hundred seventeen million, one hundred fifty-one thousand, eight hundred seven".