6728388902 has 8 divisors (see below), whose sum is σ = 10283009616. Its totient is φ = 3300719032.

The previous prime is 6728388899. The next prime is 6728388937. The reversal of 6728388902 is 2098838276.

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

It is a Harshad number since it is a multiple of its sum of digits (53).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31737578 + ... + 31737789.

It is an arithmetic number, because the mean of its divisors is an integer number (1285376202).

Almost surely, 2^6728388902 is an apocalyptic number.

6728388902 is a deficient number, since it is larger than the sum of its proper divisors (3554620714).

6728388902 is a wasteful number, since it uses less digits than its factorization.

6728388902 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63475422.

The product of its (nonzero) digits is 2322432, while the sum is 53.

The square root of 6728388902 is about 82026.7572320155. The cubic root of 6728388902 is about 1887.8625091018.

The spelling of 6728388902 in words is "six billion, seven hundred twenty-eight million, three hundred eighty-eight thousand, nine hundred two".