879591387 has 6 divisors (see below), whose sum is σ = 1172857012. Its totient is φ = 586360012.

The previous prime is 879591379. The next prime is 879591389. The reversal of 879591387 is 783195978.

It is not a de Polignac number, because 879591387 - 2³ = 879591379 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (879591389) 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, 42808 + ... + 59930.

Almost surely, 2^879591387 is an apocalyptic number.

879591387 is a deficient number, since it is larger than the sum of its proper divisors (293265625).

879591387 is an frugal number, since it uses more digits than its factorization.

879591387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34249 (or 17126 counting only the distinct ones).

The product of its digits is 3810240, while the sum is 57.

The square root of 879591387 is about 29657.9059780019. The cubic root of 879591387 is about 958.1356275073.

It can be divided in two parts, 879591 and 387, that added together give a palindrome (879978).

The spelling of 879591387 in words is "eight hundred seventy-nine million, five hundred ninety-one thousand, three hundred eighty-seven".