1373678379 has 8 divisors (see below), whose sum is σ = 2035079120. Its totient is φ = 915785568.

The previous prime is 1373678377. The next prime is 1373678419. The reversal of 1373678379 is 9738763731.

It is a happy number.

1373678379 is a `hidden beast` number, since 137 + 367 + 83 + 79 = 666.

It is not a de Polignac number, because 1373678379 - 2¹ = 1373678377 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1373678377) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25438462 + ... + 25438515.

It is an arithmetic number, because the mean of its divisors is an integer number (254384890).

Almost surely, 2^1373678379 is an apocalyptic number.

1373678379 is a deficient number, since it is larger than the sum of its proper divisors (661400741).

1373678379 is an equidigital number, since it uses as much as digits as its factorization.

1373678379 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50876986 (or 50876980 counting only the distinct ones).

The product of its digits is 4000752, while the sum is 54.

The square root of 1373678379 is about 37063.1674172621. The cubic root of 1373678379 is about 1111.6336572832.

The spelling of 1373678379 in words is "one billion, three hundred seventy-three million, six hundred seventy-eight thousand, three hundred seventy-nine".