28496956843 has 12 divisors (see below), whose sum is σ = 30843037440. Its totient is φ = 26314600832.

The previous prime is 28496956811. The next prime is 28496956879. The reversal of 28496956843 is 34865969482.

It is not a de Polignac number, because 28496956843 - 2⁵ = 28496956811 is a prime.

It is not an unprimeable number, because it can be changed into a prime (28496956883) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 914923 + ... + 945556.

It is an arithmetic number, because the mean of its divisors is an integer number (2570253120).

Almost surely, 2^28496956843 is an apocalyptic number.

28496956843 is a deficient number, since it is larger than the sum of its proper divisors (2346080597).

28496956843 is a wasteful number, since it uses less digits than its factorization.

28496956843 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1860566 (or 1860549 counting only the distinct ones).

The product of its digits is 89579520, while the sum is 64.

The spelling of 28496956843 in words is "twenty-eight billion, four hundred ninety-six million, nine hundred fifty-six thousand, eight hundred forty-three".