7868619228 has 24 divisors (see below), whose sum is σ = 18566407440. Its totient is φ = 2593402240.

The previous prime is 7868619173. The next prime is 7868619229. The reversal of 7868619228 is 8229168687.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7868619229) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3682743 + ... + 3684878.

It is an arithmetic number, because the mean of its divisors is an integer number (773600310).

Almost surely, 2^7868619228 is an apocalyptic number.

It is an amenable number.

7868619228 is an abundant number, since it is smaller than the sum of its proper divisors (10697788212).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7868619228 is a wasteful number, since it uses less digits than its factorization.

7868619228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7367717 (or 7367715 counting only the distinct ones).

The product of its digits is 4644864, while the sum is 57.

The square root of 7868619228 is about 88705.2378836785. The cubic root of 7868619228 is about 1988.9911157528.

The spelling of 7868619228 in words is "seven billion, eight hundred sixty-eight million, six hundred nineteen thousand, two hundred twenty-eight".