1379879115 has 24 divisors (see below), whose sum is σ = 2250318000. Its totient is φ = 722027904.

The previous prime is 1379879113. The next prime is 1379879119. The reversal of 1379879115 is 5119789731.

It is not a de Polignac number, because 1379879115 - 2¹ = 1379879113 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1379879113) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 25761 + ... + 58509.

It is an arithmetic number, because the mean of its divisors is an integer number (93763250).

Almost surely, 2^1379879115 is an apocalyptic number.

1379879115 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1379879115 is a deficient number, since it is larger than the sum of its proper divisors (870438885).

1379879115 is an equidigital number, since it uses as much as digits as its factorization.

1379879115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32863 (or 32810 counting only the distinct ones).

The product of its digits is 476280, while the sum is 51.

The square root of 1379879115 is about 37146.7241489744. The cubic root of 1379879115 is about 1113.3037719590.

The spelling of 1379879115 in words is "one billion, three hundred seventy-nine million, eight hundred seventy-nine thousand, one hundred fifteen".