1378339876 has 27 divisors (see below), whose sum is σ = 2548337169. Its totient is φ = 652229568.

The previous prime is 1378339861. The next prime is 1378339891. The reversal of 1378339876 is 6789338731.

The square root of 1378339876 is 37126.

It is a perfect power (a square), and thus also a powerful number.

It is an interprime number because it is at equal distance from previous prime (1378339861) and next prime (1378339891).

It can be written as a sum of positive squares in only one way, i.e., 1289528100 + 88811776 = 35910^2 + 9424^2 .

It is a Duffinian number.

It is an unprimeable number.

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 8 ways as a sum of consecutive naturals, for example, 1410300 + ... + 1411276.

Almost surely, 2^1378339876 is an apocalyptic number.

1378339876 is the 37126-th square number.

It is an amenable number.

1378339876 is a deficient number, since it is larger than the sum of its proper divisors (1169997293).

1378339876 is an frugal number, since it uses more digits than its factorization.

1378339876 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1996 (or 998 counting only the distinct ones).

The product of its digits is 4572288, while the sum is 55.

The cubic root of 1378339876 is about 1112.8896588329.

The spelling of 1378339876 in words is "one billion, three hundred seventy-eight million, three hundred thirty-nine thousand, eight hundred seventy-six".