2878320252 has 48 divisors (see below), whose sum is σ = 7134462720. Its totient is φ = 900041472.

The previous prime is 2878320233. The next prime is 2878320287. The reversal of 2878320252 is 2520238782.

It is a self number, because there is not a number n which added to its sum of digits gives 2878320252.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39649 + ... + 85607.

It is an arithmetic number, because the mean of its divisors is an integer number (148634640).

Almost surely, 2^2878320252 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 2878320252, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3567231360).

2878320252 is an abundant number, since it is smaller than the sum of its proper divisors (4256142468).

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

2878320252 is a wasteful number, since it uses less digits than its factorization.

2878320252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46290 (or 46288 counting only the distinct ones).

The product of its (nonzero) digits is 107520, while the sum is 39.

The square root of 2878320252 is about 53649.9790493901. The cubic root of 2878320252 is about 1422.4806622423.

The spelling of 2878320252 in words is "two billion, eight hundred seventy-eight million, three hundred twenty thousand, two hundred fifty-two".