28571597255952 has 100 divisors (see below), whose sum is σ = 82931440029900. Its totient is φ = 9496576588032.

The previous prime is 28571597255899. The next prime is 28571597255969. The reversal of 28571597255952 is 25955279517582.

28571597255952 is a `hidden beast` number, since 2 + 8 + 5 + 7 + 1 + 5 + 9 + 7 + 25 + 595 + 2 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 24558129939456 + 4013467316496 = 4955616^2 + 2003364^2 .

It is a Harshad number since it is a multiple of its sum of digits (72).

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 31132203 + ... + 32036810.

It is an arithmetic number, because the mean of its divisors is an integer number (829314400299).

Almost surely, 2^{28571597255952} is an apocalyptic number.

It is an amenable number.

28571597255952 is an abundant number, since it is smaller than the sum of its proper divisors (54359842773948).

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

28571597255952 is a wasteful number, since it uses less digits than its factorization.

28571597255952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63169382 (or 63169367 counting only the distinct ones).

The product of its digits is 793800000, while the sum is 72.

The spelling of 28571597255952 in words is "twenty-eight trillion, five hundred seventy-one billion, five hundred ninety-seven million, two hundred fifty-five thousand, nine hundred fifty-two".