116663879 has 2 divisors, whose sum is σ = 116663880. Its totient is φ = 116663878.

The previous prime is 116663873. The next prime is 116663891. The reversal of 116663879 is 978366611.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 116663879 - 2²⁴ = 99886663 is a prime.

It is a super-2 number, since 2×116663879² = 27220921326653282, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (116663873) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58331939 + 58331940.

It is an arithmetic number, because the mean of its divisors is an integer number (58331940).

Almost surely, 2^116663879 is an apocalyptic number.

116663879 is a deficient number, since it is larger than the sum of its proper divisors (1).

116663879 is an equidigital number, since it uses as much as digits as its factorization.

116663879 is an evil number, because the sum of its binary digits is even.

The product of its digits is 326592, while the sum is 47.

The square root of 116663879 is about 10801.1054526840. The cubic root of 116663879 is about 488.6285110877.

The spelling of 116663879 in words is "one hundred sixteen million, six hundred sixty-three thousand, eight hundred seventy-nine".