116428319 has 4 divisors (see below), whose sum is σ = 133060944. Its totient is φ = 99795696.

The previous prime is 116428309. The next prime is 116428331. The reversal of 116428319 is 913824611.

It is a semiprime because it is the product of two primes.

It is a de Polignac number, because none of the positive numbers 2^k-116428319 is a prime.

It is a super-2 number, since 2×116428319² = 27111106930331522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (116428309) 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, 8316302 + ... + 8316315.

It is an arithmetic number, because the mean of its divisors is an integer number (33265236).

Almost surely, 2^116428319 is an apocalyptic number.

116428319 is a deficient number, since it is larger than the sum of its proper divisors (16632625).

116428319 is an equidigital number, since it uses as much as digits as its factorization.

116428319 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16632624.

The product of its digits is 10368, while the sum is 35.

The square root of 116428319 is about 10790.1955033262. The cubic root of 116428319 is about 488.2994206888.

The spelling of 116428319 in words is "one hundred sixteen million, four hundred twenty-eight thousand, three hundred nineteen".