28525860837883 has 4 divisors (see below), whose sum is σ = 29221613541288. Its totient is φ = 27830108134480.

The previous prime is 28525860837827. The next prime is 28525860837893. The reversal of 28525860837883 is 38873806852582.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-28525860837883 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28525860837893) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 347876351641 + ... + 347876351722.

It is an arithmetic number, because the mean of its divisors is an integer number (7305403385322).

Almost surely, 2^{28525860837883} is an apocalyptic number.

28525860837883 is a deficient number, since it is larger than the sum of its proper divisors (695752703405).

28525860837883 is an equidigital number, since it uses as much as digits as its factorization.

28525860837883 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 695752703404.

The product of its (nonzero) digits is 1238630400, while the sum is 73.

The spelling of 28525860837883 in words is "twenty-eight trillion, five hundred twenty-five billion, eight hundred sixty million, eight hundred thirty-seven thousand, eight hundred eighty-three".