879195438 has 96 divisors (see below), whose sum is σ = 2160345600. Its totient is φ = 264836880.

The previous prime is 879195413. The next prime is 879195463. The reversal of 879195438 is 834591978.

879195438 is a `hidden beast` number, since 8 + 7 + 91 + 9 + 543 + 8 = 666.

It is an interprime number because it is at equal distance from previous prime (879195413) and next prime (879195463).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 1561345 + ... + 1561907.

It is an arithmetic number, because the mean of its divisors is an integer number (22503600).

Almost surely, 2^879195438 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 879195438, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1080172800).

879195438 is an abundant number, since it is smaller than the sum of its proper divisors (1281150162).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

879195438 is a wasteful number, since it uses less digits than its factorization.

879195438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 835 (or 818 counting only the distinct ones).

The product of its digits is 2177280, while the sum is 54.

The square root of 879195438 is about 29651.2299576257. The cubic root of 879195438 is about 957.9918373382.

The spelling of 879195438 in words is "eight hundred seventy-nine million, one hundred ninety-five thousand, four hundred thirty-eight".