117564068819 has 8 divisors (see below), whose sum is σ = 122715700512. Its totient is φ = 112415783040.

The previous prime is 117564068801. The next prime is 117564068863. The reversal of 117564068819 is 918860465711.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-117564068819 is a prime.

It is a super-2 number, since 2×117564068819² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (117564098819) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 764534 + ... + 905339.

It is an arithmetic number, because the mean of its divisors is an integer number (15339462564).

Almost surely, 2^117564068819 is an apocalyptic number.

117564068819 is a deficient number, since it is larger than the sum of its proper divisors (5151631693).

117564068819 is a wasteful number, since it uses less digits than its factorization.

117564068819 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1672957.

The product of its (nonzero) digits is 2903040, while the sum is 56.

The spelling of 117564068819 in words is "one hundred seventeen billion, five hundred sixty-four million, sixty-eight thousand, eight hundred nineteen".