872868278 has 4 divisors (see below), whose sum is σ = 1309302420. Its totient is φ = 436434138.

The previous prime is 872868259. The next prime is 872868307.

872868278 is nontrivially palindromic in base 10.

872868278 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 218217068 + ... + 218217071.

It is an arithmetic number, because the mean of its divisors is an integer number (327325605).

Almost surely, 2^872868278 is an apocalyptic number.

872868278 is a deficient number, since it is larger than the sum of its proper divisors (436434142).

872868278 is a wasteful number, since it uses less digits than its factorization.

872868278 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 436434141.

The product of its digits is 4816896, while the sum is 56.

The square root of 872868278 is about 29544.3442641735. The cubic root of 872868278 is about 955.6882288100.

The spelling of 872868278 in words is "eight hundred seventy-two million, eight hundred sixty-eight thousand, two hundred seventy-eight".