6888428929 has 8 divisors (see below), whose sum is σ = 7253288000. Its totient is φ = 6523800912.

The previous prime is 6888428923. The next prime is 6888428941. The reversal of 6888428929 is 9298248886.

It is a happy number.

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 6888428929 - 2⁷ = 6888428801 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6888428923) 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, 5212 + ... + 117490.

It is an arithmetic number, because the mean of its divisors is an integer number (906661000).

Almost surely, 2^6888428929 is an apocalyptic number.

It is an amenable number.

6888428929 is a deficient number, since it is larger than the sum of its proper divisors (364859071).

6888428929 is a wasteful number, since it uses less digits than its factorization.

6888428929 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115527.

The product of its digits is 31850496, while the sum is 64.

The square root of 6888428929 is about 82996.5597419556. The cubic root of 6888428929 is about 1902.7134755502.

The spelling of 6888428929 in words is "six billion, eight hundred eighty-eight million, four hundred twenty-eight thousand, nine hundred twenty-nine".