116121777 has 4 divisors (see below), whose sum is σ = 154829040. Its totient is φ = 77414516.

The previous prime is 116121769. The next prime is 116121793. The reversal of 116121777 is 777121611.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 116121777 - 2³ = 116121769 is a prime.

It is not an unprimeable number, because it can be changed into a prime (116121737) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19353627 + ... + 19353632.

It is an arithmetic number, because the mean of its divisors is an integer number (38707260).

Almost surely, 2^116121777 is an apocalyptic number.

It is an amenable number.

116121777 is a deficient number, since it is larger than the sum of its proper divisors (38707263).

116121777 is an equidigital number, since it uses as much as digits as its factorization.

116121777 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38707262.

The product of its digits is 4116, while the sum is 33.

The square root of 116121777 is about 10775.9814866211. The cubic root of 116121777 is about 487.8704991521.

The spelling of 116121777 in words is "one hundred sixteen million, one hundred twenty-one thousand, seven hundred seventy-seven".