2857159000 has 32 divisors (see below), whose sum is σ = 6685754400. Its totient is φ = 1142863200.

The previous prime is 2857158979. The next prime is 2857159001. The reversal of 2857159000 is 9517582.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2857159001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1427580 + ... + 1429579.

It is an arithmetic number, because the mean of its divisors is an integer number (208929825).

Almost surely, 2^2857159000 is an apocalyptic number.

2857159000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2857159000 is an abundant number, since it is smaller than the sum of its proper divisors (3828595400).

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

2857159000 is a wasteful number, since it uses less digits than its factorization.

2857159000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2857180 (or 2857166 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 37.

The square root of 2857159000 is about 53452.3993848733. The cubic root of 2857159000 is about 1418.9860843841.

It can be divided in two parts, 28571 and 59000, that added together give a triangular number (87571 = T₄₁₈).

The spelling of 2857159000 in words is "two billion, eight hundred fifty-seven million, one hundred fifty-nine thousand".