116778619 has 8 divisors (see below), whose sum is σ = 120792672. Its totient is φ = 112820160.

The previous prime is 116778589. The next prime is 116778631. The reversal of 116778619 is 916877611.

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

It is a cyclic number.

It is not a de Polignac number, because 116778619 - 2⁵ = 116778587 is a prime.

It is a super-2 number, since 2×116778619² = 27274491711094322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (116778019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9604 + ... + 18049.

It is an arithmetic number, because the mean of its divisors is an integer number (15099084).

Almost surely, 2^116778619 is an apocalyptic number.

116778619 is a deficient number, since it is larger than the sum of its proper divisors (4014053).

116778619 is a wasteful number, since it uses less digits than its factorization.

116778619 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27797.

The product of its digits is 127008, while the sum is 46.

The square root of 116778619 is about 10806.4156407201. The cubic root of 116778619 is about 488.7886488145.

The spelling of 116778619 in words is "one hundred sixteen million, seven hundred seventy-eight thousand, six hundred nineteen".