6889828091 has 8 divisors (see below), whose sum is σ = 7213283280. Its totient is φ = 6572097952.

The previous prime is 6889828087. The next prime is 6889828103. The reversal of 6889828091 is 1908289886.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 6889828091 - 2² = 6889828087 is a prime.

It is a super-2 number, since 2×6889828091² = 94939462247065408562, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 6889828091.

It is not an unprimeable number, because it can be changed into a prime (6889828031) 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, 1428800 + ... + 1433613.

It is an arithmetic number, because the mean of its divisors is an integer number (901660410).

Almost surely, 2^6889828091 is an apocalyptic number.

6889828091 is a deficient number, since it is larger than the sum of its proper divisors (323455189).

6889828091 is a wasteful number, since it uses less digits than its factorization.

6889828091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2862525.

The product of its (nonzero) digits is 3981312, while the sum is 59.

The square root of 6889828091 is about 83004.9883500986. The cubic root of 6889828091 is about 1902.8422917719.

The spelling of 6889828091 in words is "six billion, eight hundred eighty-nine million, eight hundred twenty-eight thousand, ninety-one".