879398587 has 8 divisors (see below), whose sum is σ = 891241920. Its totient is φ = 867599040.

The previous prime is 879398579. The next prime is 879398591. The reversal of 879398587 is 785893978.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 879398587 - 2³ = 879398579 is a prime.

It is a Duffinian number.

It is a zygodrome in base 5.

It is not an unprimeable number, because it can be changed into a prime (879398557) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30537 + ... + 51877.

It is an arithmetic number, because the mean of its divisors is an integer number (111405240).

Almost surely, 2^879398587 is an apocalyptic number.

879398587 is a deficient number, since it is larger than the sum of its proper divisors (11843333).

879398587 is a wasteful number, since it uses less digits than its factorization.

879398587 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21893.

The product of its digits is 30481920, while the sum is 64.

The square root of 879398587 is about 29654.6554018083. The cubic root of 879398587 is about 958.0656169507.

The spelling of 879398587 in words is "eight hundred seventy-nine million, three hundred ninety-eight thousand, five hundred eighty-seven".