28325783075 has 12 divisors (see below), whose sum is σ = 35153748528. Its totient is φ = 22641415200.

The previous prime is 28325783069. The next prime is 28325783107. The reversal of 28325783075 is 57038752382.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-28325783075 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 450167 + ... + 509216.

It is an arithmetic number, because the mean of its divisors is an integer number (2929479044).

Almost surely, 2^28325783075 is an apocalyptic number.

28325783075 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

28325783075 is a deficient number, since it is larger than the sum of its proper divisors (6827965453).

28325783075 is a wasteful number, since it uses less digits than its factorization.

28325783075 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 960574 (or 960569 counting only the distinct ones).

The product of its (nonzero) digits is 2822400, while the sum is 50.

The spelling of 28325783075 in words is "twenty-eight billion, three hundred twenty-five million, seven hundred eighty-three thousand, seventy-five".