117790951 has 2 divisors, whose sum is σ = 117790952. Its totient is φ = 117790950.

The previous prime is 117790949. The next prime is 117790957. The reversal of 117790951 is 159097711.

It is a weak prime.

It is an emirp because it is prime and its reverse (159097711) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 117790951 - 2¹ = 117790949 is a prime.

Together with 117790949, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (117790957) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58895475 + 58895476.

It is an arithmetic number, because the mean of its divisors is an integer number (58895476).

Almost surely, 2^117790951 is an apocalyptic number.

117790951 is a deficient number, since it is larger than the sum of its proper divisors (1).

117790951 is an equidigital number, since it uses as much as digits as its factorization.

117790951 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 19845, while the sum is 40.

The square root of 117790951 is about 10853.1539655531. The cubic root of 117790951 is about 490.1969928464.

The spelling of 117790951 in words is "one hundred seventeen million, seven hundred ninety thousand, nine hundred fifty-one".