28056310356 has 96 divisors (see below), whose sum is σ = 67604544000. Its totient is φ = 9052413568.

The previous prime is 28056310327. The next prime is 28056310357. The reversal of 28056310356 is 65301365082.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28056310357) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13559290 + ... + 13561358.

It is an arithmetic number, because the mean of its divisors is an integer number (704214000).

Almost surely, 2^28056310356 is an apocalyptic number.

It is an amenable number.

28056310356 is an abundant number, since it is smaller than the sum of its proper divisors (39548233644).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28056310356 is a wasteful number, since it uses less digits than its factorization.

28056310356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2421 (or 2419 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 39.

The spelling of 28056310356 in words is "twenty-eight billion, fifty-six million, three hundred ten thousand, three hundred fifty-six".