117980819 has 8 divisors (see below), whose sum is σ = 128798208. Its totient is φ = 107178760.

The previous prime is 117980813. The next prime is 117980851. The reversal of 117980819 is 918089711.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 117980819 - 2⁸ = 117980563 is a prime.

It is a super-2 number, since 2×117980819² = 27838947303821522, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 117980819.

It is not an unprimeable number, because it can be changed into a prime (117980813) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17414 + ... + 23220.

It is an arithmetic number, because the mean of its divisors is an integer number (16099776).

Almost surely, 2^117980819 is an apocalyptic number.

117980819 is a deficient number, since it is larger than the sum of its proper divisors (10817389).

117980819 is a wasteful number, since it uses less digits than its factorization.

117980819 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7665.

The product of its (nonzero) digits is 36288, while the sum is 44.

The square root of 117980819 is about 10861.8975782319. The cubic root of 117980819 is about 490.4602353632.

The spelling of 117980819 in words is "one hundred seventeen million, nine hundred eighty thousand, eight hundred nineteen".