2878458528 has 96 divisors (see below), whose sum is σ = 8434685952. Its totient is φ = 851961600.

The previous prime is 2878458521. The next prime is 2878458563. The reversal of 2878458528 is 8258548782.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (96).

It is not an unprimeable number, because it can be changed into a prime (2878458521) 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, 13713 + ... + 77103.

It is an arithmetic number, because the mean of its divisors is an integer number (87861312).

Almost surely, 2^2878458528 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 2878458528, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4217342976).

2878458528 is an abundant number, since it is smaller than the sum of its proper divisors (5556227424).

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

2878458528 is a wasteful number, since it uses less digits than its factorization.

2878458528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63458 (or 63450 counting only the distinct ones).

The product of its digits is 11468800, while the sum is 57.

The square root of 2878458528 is about 53651.2677203438. The cubic root of 2878458528 is about 1422.5034407808.

The spelling of 2878458528 in words is "two billion, eight hundred seventy-eight million, four hundred fifty-eight thousand, five hundred twenty-eight".