28259116723590 has 32 divisors (see below), whose sum is σ = 67822388284896. Its totient is φ = 7535707998720.

The previous prime is 28259116723549. The next prime is 28259116723601. The reversal of 28259116723590 is 9532761195282.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 622030 + ... + 7543550.

It is an arithmetic number, because the mean of its divisors is an integer number (2119449633903).

Almost surely, 2^{28259116723590} is an apocalyptic number.

28259116723590 is an abundant number, since it is smaller than the sum of its proper divisors (39563271561306).

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

28259116723590 is a wasteful number, since it uses less digits than its factorization.

28259116723590 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7057624.

The product of its (nonzero) digits is 16329600, while the sum is 60.

The spelling of 28259116723590 in words is "twenty-eight trillion, two hundred fifty-nine billion, one hundred sixteen million, seven hundred twenty-three thousand, five hundred ninety".