2864857144 has 8 divisors (see below), whose sum is σ = 5371607160. Its totient is φ = 1432428568.

The previous prime is 2864857117. The next prime is 2864857169. The reversal of 2864857144 is 4417584682.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 179053564 + ... + 179053579.

It is an arithmetic number, because the mean of its divisors is an integer number (671450895).

Almost surely, 2^2864857144 is an apocalyptic number.

It is an amenable number.

2864857144 is a deficient number, since it is larger than the sum of its proper divisors (2506750016).

2864857144 is a wasteful number, since it uses less digits than its factorization.

2864857144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 358107149 (or 358107145 counting only the distinct ones).

The product of its digits is 1720320, while the sum is 49.

The square root of 2864857144 is about 53524.3602857615. The cubic root of 2864857144 is about 1420.2593495744.

The spelling of 2864857144 in words is "two billion, eight hundred sixty-four million, eight hundred fifty-seven thousand, one hundred forty-four".