117680863 has 2 divisors, whose sum is σ = 117680864. Its totient is φ = 117680862.

The previous prime is 117680821. The next prime is 117680909. The reversal of 117680863 is 368086711.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 117680863 - 2¹³ = 117672671 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (117680263) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58840431 + 58840432.

It is an arithmetic number, because the mean of its divisors is an integer number (58840432).

Almost surely, 2^117680863 is an apocalyptic number.

117680863 is a deficient number, since it is larger than the sum of its proper divisors (1).

117680863 is an equidigital number, since it uses as much as digits as its factorization.

117680863 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48384, while the sum is 40.

The square root of 117680863 is about 10848.0810745495. The cubic root of 117680863 is about 490.0442317422.

The spelling of 117680863 in words is "one hundred seventeen million, six hundred eighty thousand, eight hundred sixty-three".