116779185 has 32 divisors (see below), whose sum is σ = 212446080. Its totient is φ = 60830784.

The previous prime is 116779183. The next prime is 116779189. The reversal of 116779185 is 581977611.

It is not a de Polignac number, because 116779185 - 2¹ = 116779183 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 116779185.

It is not an unprimeable number, because it can be changed into a prime (116779181) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4254 + ... + 15863.

It is an arithmetic number, because the mean of its divisors is an integer number (6638940).

Almost surely, 2^116779185 is an apocalyptic number.

116779185 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

116779185 is a deficient number, since it is larger than the sum of its proper divisors (95666895).

116779185 is a wasteful number, since it uses less digits than its factorization.

116779185 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20174 (or 20168 counting only the distinct ones).

The product of its digits is 105840, while the sum is 45.

The square root of 116779185 is about 10806.4418288352. The cubic root of 116779185 is about 488.7894384966.

It can be divided in two parts, 116779 and 185, that added together give a square (116964 = 342²).

The spelling of 116779185 in words is "one hundred sixteen million, seven hundred seventy-nine thousand, one hundred eighty-five".