117486091 has 2 divisors, whose sum is σ = 117486092. Its totient is φ = 117486090.

The previous prime is 117486077. The next prime is 117486119. The reversal of 117486091 is 190684711.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 117486091 - 2²¹ = 115388939 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 117486091.

It is not a weakly prime, because it can be changed into another prime (117486071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58743045 + 58743046.

It is an arithmetic number, because the mean of its divisors is an integer number (58743046).

Almost surely, 2^117486091 is an apocalyptic number.

117486091 is a deficient number, since it is larger than the sum of its proper divisors (1).

117486091 is an equidigital number, since it uses as much as digits as its factorization.

117486091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12096, while the sum is 37.

The square root of 117486091 is about 10839.1001010231. The cubic root of 117486091 is about 489.7737272644.

The spelling of 117486091 in words is "one hundred seventeen million, four hundred eighty-six thousand, ninety-one".