2857288873 has 4 divisors (see below), whose sum is σ = 2981518848. Its totient is φ = 2733058900.

The previous prime is 2857288867. The next prime is 2857288877. The reversal of 2857288873 is 3788827582.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2857288873 - 2¹⁷ = 2857157801 is a prime.

It is a super-2 number, since 2×2857288873² = 16328199407539220258, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2857288877) 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, 62114953 + ... + 62114998.

It is an arithmetic number, because the mean of its divisors is an integer number (745379712).

Almost surely, 2^2857288873 is an apocalyptic number.

2857288873 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

2857288873 is a deficient number, since it is larger than the sum of its proper divisors (124229975).

2857288873 is a wasteful number, since it uses less digits than its factorization.

2857288873 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124229974.

The product of its digits is 12042240, while the sum is 58.

The square root of 2857288873 is about 53453.6142183108. The cubic root of 2857288873 is about 1419.0075842012.

The spelling of 2857288873 in words is "two billion, eight hundred fifty-seven million, two hundred eighty-eight thousand, eight hundred seventy-three".