28268646802 has 8 divisors (see below), whose sum is σ = 46257785712. Its totient is φ = 12849384900.

The previous prime is 28268646737. The next prime is 28268646811. The reversal of 28268646802 is 20864686282.

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

It is a self number, because there is not a number n which added to its sum of digits gives 28268646802.

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, 642469224 + ... + 642469267.

It is an arithmetic number, because the mean of its divisors is an integer number (5782223214).

Almost surely, 2^28268646802 is an apocalyptic number.

28268646802 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

28268646802 is a deficient number, since it is larger than the sum of its proper divisors (17989138910).

28268646802 is a wasteful number, since it uses less digits than its factorization.

28268646802 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1284938504.

The product of its (nonzero) digits is 3538944, while the sum is 52.

The spelling of 28268646802 in words is "twenty-eight billion, two hundred sixty-eight million, six hundred forty-six thousand, eight hundred two".