2857248798 has 8 divisors (see below), whose sum is σ = 5714497608. Its totient is φ = 952416264.

The previous prime is 2857248749. The next prime is 2857248799. The reversal of 2857248798 is 8978427582.

It is a sphenic number, since it is the product of 3 distinct primes.

2857248798 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2857248799) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 238104061 + ... + 238104072.

It is an arithmetic number, because the mean of its divisors is an integer number (714312201).

Almost surely, 2^2857248798 is an apocalyptic number.

2857248798 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2857248798 is a wasteful number, since it uses less digits than its factorization.

2857248798 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 476208138.

The product of its digits is 18063360, while the sum is 60.

The square root of 2857248798 is about 53453.2393592755. The cubic root of 2857248798 is about 1419.0009500575. Note that the first 3 decimals are identical.

The spelling of 2857248798 in words is "two billion, eight hundred fifty-seven million, two hundred forty-eight thousand, seven hundred ninety-eight".