1116378839 has 4 divisors (see below), whose sum is σ = 1175135640. Its totient is φ = 1057622040.

The previous prime is 1116378821. The next prime is 1116378869. The reversal of 1116378839 is 9388736111.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1116378839 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1116378793 and 1116378802.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1116378869) 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, 29378372 + ... + 29378409.

It is an arithmetic number, because the mean of its divisors is an integer number (293783910).

Almost surely, 2^1116378839 is an apocalyptic number.

1116378839 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

1116378839 is a deficient number, since it is larger than the sum of its proper divisors (58756801).

1116378839 is an equidigital number, since it uses as much as digits as its factorization.

1116378839 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58756800.

The product of its digits is 217728, while the sum is 47.

The square root of 1116378839 is about 33412.2558202825. The cubic root of 1116378839 is about 1037.3783943018.

The spelling of 1116378839 in words is "one billion, one hundred sixteen million, three hundred seventy-eight thousand, eight hundred thirty-nine".