879849728 has 108 divisors (see below), whose sum is σ = 1882002780. Its totient is φ = 410370048.

The previous prime is 879849727. The next prime is 879849731. The reversal of 879849728 is 827948978.

It can be written as a sum of positive squares in 2 ways, for example, as 325153024 + 554696704 = 18032^2 + 23552^2 .

Its product of digits (16257024) is a multiple of the sum of its prime factors (224).

It is not an unprimeable number, because it can be changed into a prime (879849721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9885908 + ... + 9885996.

Almost surely, 2^879849728 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 879849728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (941001390).

879849728 is an abundant number, since it is smaller than the sum of its proper divisors (1002153052).

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

879849728 is an equidigital number, since it uses as much as digits as its factorization.

879849728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 224 (or 187 counting only the distinct ones).

The product of its digits is 16257024, while the sum is 62.

The square root of 879849728 is about 29662.2610062011. The cubic root of 879849728 is about 958.2294216222.

The spelling of 879849728 in words is "eight hundred seventy-nine million, eight hundred forty-nine thousand, seven hundred twenty-eight".