28450768326903 has 24 divisors (see below), whose sum is σ = 44297242010112. Its totient is φ = 17492146596288.

The previous prime is 28450768326863. The next prime is 28450768326917. The reversal of 28450768326903 is 30962386705482.

It is a happy number.

28450768326903 is a `hidden beast` number, since 2 + 8 + 4 + 507 + 6 + 8 + 32 + 6 + 90 + 3 = 666.

It is not a de Polignac number, because 28450768326903 - 2¹⁷ = 28450768195831 is a prime.

It is a super-2 number, since 2×28450768326903² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28450768326103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 111111351 + ... + 111367112.

It is an arithmetic number, because the mean of its divisors is an integer number (1845718417088).

Almost surely, 2^{28450768326903} is an apocalyptic number.

28450768326903 is a deficient number, since it is larger than the sum of its proper divisors (15846473683209).

28450768326903 is a wasteful number, since it uses less digits than its factorization.

28450768326903 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 222479575 (or 222479572 counting only the distinct ones).

The product of its (nonzero) digits is 104509440, while the sum is 63.

The spelling of 28450768326903 in words is "twenty-eight trillion, four hundred fifty billion, seven hundred sixty-eight million, three hundred twenty-six thousand, nine hundred three".