117650086819 has 2 divisors, whose sum is σ = 117650086820. Its totient is φ = 117650086818.

The previous prime is 117650086793. The next prime is 117650086877. The reversal of 117650086819 is 918680056711.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 117650086819 - 2³¹ = 115502603171 is a prime.

It is a super-2 number, since 2×117650086819² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (117650089819) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58825043409 + 58825043410.

It is an arithmetic number, because the mean of its divisors is an integer number (58825043410).

Almost surely, 2^117650086819 is an apocalyptic number.

117650086819 is a deficient number, since it is larger than the sum of its proper divisors (1).

117650086819 is an equidigital number, since it uses as much as digits as its factorization.

117650086819 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 725760, while the sum is 52.

The spelling of 117650086819 in words is "one hundred seventeen billion, six hundred fifty million, eighty-six thousand, eight hundred nineteen".