6899372928 has 192 divisors, whose sum is σ = 23677056000. Its totient is φ = 1885492224.

The previous prime is 6899372899. The next prime is 6899372933. The reversal of 6899372928 is 8292739986.

It is a tau number, because it is divible by the number of its divisors (192).

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 166873 + ... + 204071.

It is an arithmetic number, because the mean of its divisors is an integer number (123318000).

Almost surely, 2^6899372928 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 6899372928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11838528000).

6899372928 is an abundant number, since it is smaller than the sum of its proper divisors (16777683072).

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

6899372928 is a wasteful number, since it uses less digits than its factorization.

6899372928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37249 (or 37234 counting only the distinct ones).

The product of its digits is 23514624, while the sum is 63.

The square root of 6899372928 is about 83062.4640135362. The cubic root of 6899372928 is about 1903.7205884267.

The spelling of 6899372928 in words is "six billion, eight hundred ninety-nine million, three hundred seventy-two thousand, nine hundred twenty-eight".