2866872878 has 8 divisors (see below), whose sum is σ = 4300833672. Its totient is φ = 1433261656.

The previous prime is 2866872847. The next prime is 2866872913. The reversal of 2866872878 is 8782786682.

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

It is a super-2 number, since 2×2866872878² = 16437920197224005768, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2866872878.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 65825 + ... + 100332.

It is an arithmetic number, because the mean of its divisors is an integer number (537604209).

Almost surely, 2^2866872878 is an apocalyptic number.

2866872878 is a deficient number, since it is larger than the sum of its proper divisors (1433960794).

2866872878 is a wasteful number, since it uses less digits than its factorization.

2866872878 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174786.

The product of its digits is 28901376, while the sum is 62.

The square root of 2866872878 is about 53543.1870362607. The cubic root of 2866872878 is about 1420.5923730301.

The spelling of 2866872878 in words is "two billion, eight hundred sixty-six million, eight hundred seventy-two thousand, eight hundred seventy-eight".