2786378379 has 8 divisors (see below), whose sum is σ = 3770621760. Its totient is φ = 1829860296.

The previous prime is 2786378317. The next prime is 2786378389. The reversal of 2786378379 is 9738736872.

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

It is not a de Polignac number, because 2786378379 - 2⁸ = 2786378123 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2786378389) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6931089 + ... + 6931490.

It is an arithmetic number, because the mean of its divisors is an integer number (471327720).

Almost surely, 2^2786378379 is an apocalyptic number.

2786378379 is a deficient number, since it is larger than the sum of its proper divisors (984243381).

2786378379 is a wasteful number, since it uses less digits than its factorization.

2786378379 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13862649.

The product of its digits is 21337344, while the sum is 60.

The square root of 2786378379 is about 52786.1570774005. The cubic root of 2786378379 is about 1407.1704196729.

The spelling of 2786378379 in words is "two billion, seven hundred eighty-six million, three hundred seventy-eight thousand, three hundred seventy-nine".