1379247782 has 12 divisors (see below), whose sum is σ = 2274049428. Its totient is φ = 626930700.

The previous prime is 1379247781. The next prime is 1379247787. The reversal of 1379247782 is 2877429731.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 1379247782.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1379247781) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2849444 + ... + 2849927.

It is an arithmetic number, because the mean of its divisors is an integer number (189504119).

Almost surely, 2^1379247782 is an apocalyptic number.

1379247782 is a deficient number, since it is larger than the sum of its proper divisors (894801646).

1379247782 is a wasteful number, since it uses less digits than its factorization.

1379247782 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5699395 (or 5699384 counting only the distinct ones).

The product of its digits is 1185408, while the sum is 50.

The square root of 1379247782 is about 37138.2253480158. The cubic root of 1379247782 is about 1113.1339569312.

The spelling of 1379247782 in words is "one billion, three hundred seventy-nine million, two hundred forty-seven thousand, seven hundred eighty-two".