28300243851 has 24 divisors (see below), whose sum is σ = 44919851184. Its totient is φ = 17026460160.

The previous prime is 28300243841. The next prime is 28300243897. The reversal of 28300243851 is 15834200382.

It is not a de Polignac number, because 28300243851 - 2⁶ = 28300243787 is a prime.

It is not an unprimeable number, because it can be changed into a prime (28300243841) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1029726 + ... + 1056851.

It is an arithmetic number, because the mean of its divisors is an integer number (1871660466).

Almost surely, 2^28300243851 is an apocalyptic number.

28300243851 is a deficient number, since it is larger than the sum of its proper divisors (16619607333).

28300243851 is a wasteful number, since it uses less digits than its factorization.

28300243851 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2086731 (or 2086728 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 36.

The spelling of 28300243851 in words is "twenty-eight billion, three hundred million, two hundred forty-three thousand, eight hundred fifty-one".