7868899 has 4 divisors (see below), whose sum is σ = 7876264. Its totient is φ = 7861536.

The previous prime is 7868897. The next prime is 7868923. The reversal of 7868899 is 9988687.

7868899 is digitally balanced in base 3, 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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 7868899 - 2¹ = 7868897 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7868897) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 1737 + ... + 4330.

It is an arithmetic number, because the mean of its divisors is an integer number (1969066).

Almost surely, 2^7868899 is an apocalyptic number.

7868899 is a deficient number, since it is larger than the sum of its proper divisors (7365).

7868899 is a wasteful number, since it uses less digits than its factorization.

7868899 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7364.

The product of its digits is 1741824, while the sum is 55.

The square root of 7868899 is about 2805.1557889001. The cubic root of 7868899 is about 198.9014688606.

It can be divided in two parts, 78688 and 99, that added together give a palindrome (78787).

The spelling of 7868899 in words is "seven million, eight hundred sixty-eight thousand, eight hundred ninety-nine".