879949896 has 64 divisors (see below), whose sum is σ = 2531088000. Its totient is φ = 249719808.

The previous prime is 879949891. The next prime is 879949919. The reversal of 879949896 is 698949978.

It is a self number, because there is not a number n which added to its sum of digits gives 879949896.

It is not an unprimeable number, because it can be changed into a prime (879949891) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7456 + ... + 42608.

It is an arithmetic number, because the mean of its divisors is an integer number (39548250).

Almost surely, 2^879949896 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 879949896, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1265544000).

879949896 is an abundant number, since it is smaller than the sum of its proper divisors (1651138104).

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

879949896 is a wasteful number, since it uses less digits than its factorization.

879949896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35318 (or 35314 counting only the distinct ones).

The product of its digits is 70543872, while the sum is 69.

The square root of 879949896 is about 29663.9494336139. The cubic root of 879949896 is about 958.2657839992.

The spelling of 879949896 in words is "eight hundred seventy-nine million, nine hundred forty-nine thousand, eight hundred ninety-six".