28343726104 has 16 divisors (see below), whose sum is σ = 53351278200. Its totient is φ = 14116718592.

The previous prime is 28343726071. The next prime is 28343726111. The reversal of 28343726104 is 40162734382.

It is a happy number.

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, 6890874 + ... + 6894985.

Almost surely, 2^28343726104 is an apocalyptic number.

It is an amenable number.

28343726104 is a deficient number, since it is larger than the sum of its proper divisors (25007552096).

28343726104 is a wasteful number, since it uses less digits than its factorization.

28343726104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13786122 (or 13786118 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 40.

The spelling of 28343726104 in words is "twenty-eight billion, three hundred forty-three million, seven hundred twenty-six thousand, one hundred four".