6899227568 has 80 divisors (see below), whose sum is σ = 14456027136. Its totient is φ = 3180418560.

The previous prime is 6899227561. The next prime is 6899227597. The reversal of 6899227568 is 8657229986.

It is a Harshad number since it is a multiple of its sum of digits (62).

It is a self number, because there is not a number n which added to its sum of digits gives 6899227568.

It is not an unprimeable number, because it can be changed into a prime (6899227561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3227396 + ... + 3229532.

Almost surely, 2^6899227568 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6899227568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7228013568).

6899227568 is an abundant number, since it is smaller than the sum of its proper divisors (7556799568).

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

6899227568 is a wasteful number, since it uses less digits than its factorization.

6899227568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2482 (or 2476 counting only the distinct ones).

The product of its digits is 26127360, while the sum is 62.

The square root of 6899227568 is about 83061.5890047861. The cubic root of 6899227568 is about 1903.7072187687.

The spelling of 6899227568 in words is "six billion, eight hundred ninety-nine million, two hundred twenty-seven thousand, five hundred sixty-eight".