116785813569 has 8 divisors (see below), whose sum is σ = 155732134080. Its totient is φ = 77848351056.

The previous prime is 116785813553. The next prime is 116785813577. The reversal of 116785813569 is 965318587611.

It is a happy number.

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

It is not a de Polignac number, because 116785813569 - 2⁴ = 116785813553 is a prime.

It is a super-2 number, since 2×116785813569² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (116785813589) 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, 2183674 + ... + 2236515.

It is an arithmetic number, because the mean of its divisors is an integer number (19466516760).

Almost surely, 2^116785813569 is an apocalyptic number.

It is an amenable number.

116785813569 is a deficient number, since it is larger than the sum of its proper divisors (38946320511).

116785813569 is an equidigital number, since it uses as much as digits as its factorization.

116785813569 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4428999.

The product of its digits is 10886400, while the sum is 60.

The spelling of 116785813569 in words is "one hundred sixteen billion, seven hundred eighty-five million, eight hundred thirteen thousand, five hundred sixty-nine".