6994822788 has 36 divisors (see below), whose sum is σ = 18721439100. Its totient is φ = 2194454016.

The previous prime is 6994822787. The next prime is 6994822789. The reversal of 6994822788 is 8872284996.

It is an interprime number because it is at equal distance from previous prime (6994822787) and next prime (6994822789).

It can be written as a sum of positive squares in 2 ways, for example, as 6110236224 + 884586564 = 78168^2 + 29742^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is not an unprimeable number, because it can be changed into a prime (6994822781) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 5714113 + ... + 5715336.

It is an arithmetic number, because the mean of its divisors is an integer number (520039975).

Almost surely, 2^6994822788 is an apocalyptic number.

6994822788 is a gapful number since it is divisible by the number (68) formed by its first and last digit.

It is an amenable number.

6994822788 is an abundant number, since it is smaller than the sum of its proper divisors (11726616312).

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

6994822788 is a wasteful number, since it uses less digits than its factorization.

6994822788 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11429476 (or 11429471 counting only the distinct ones).

The product of its digits is 27869184, while the sum is 63.

The square root of 6994822788 is about 83635.0571710213. The cubic root of 6994822788 is about 1912.4594640646.

The spelling of 6994822788 in words is "six billion, nine hundred ninety-four million, eight hundred twenty-two thousand, seven hundred eighty-eight".