1377313379 has 16 divisors (see below), whose sum is σ = 1504612032. Its totient is φ = 1253173248.

The previous prime is 1377313373. The next prime is 1377313387. The reversal of 1377313379 is 9733137731.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1377313379 is a prime.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1377313373) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 329567 + ... + 333719.

It is an arithmetic number, because the mean of its divisors is an integer number (94038252).

Almost surely, 2^1377313379 is an apocalyptic number.

1377313379 is a deficient number, since it is larger than the sum of its proper divisors (127298653).

1377313379 is a wasteful number, since it uses less digits than its factorization.

1377313379 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4526.

The product of its digits is 250047, while the sum is 44.

The square root of 1377313379 is about 37112.1729221020. The cubic root of 1377313379 is about 1112.6133211839.

The spelling of 1377313379 in words is "one billion, three hundred seventy-seven million, three hundred thirteen thousand, three hundred seventy-nine".