28601407052 has 12 divisors (see below), whose sum is σ = 50181134640. Its totient is φ = 14263940016.

The previous prime is 28601407031. The next prime is 28601407139. The reversal of 28601407052 is 25070410682.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9189128 + ... + 9192239.

It is an arithmetic number, because the mean of its divisors is an integer number (4181761220).

Almost surely, 2^28601407052 is an apocalyptic number.

It is an amenable number.

28601407052 is a deficient number, since it is larger than the sum of its proper divisors (21579727588).

28601407052 is a wasteful number, since it uses less digits than its factorization.

28601407052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18381760 (or 18381758 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 35.

The spelling of 28601407052 in words is "twenty-eight billion, six hundred one million, four hundred seven thousand, fifty-two".