28591757347472 has 40 divisors (see below), whose sum is σ = 60503425449600. Its totient is φ = 12981017335680.

The previous prime is 28591757347427. The next prime is 28591757347499. The reversal of 28591757347472 is 27474375719582.

It is a junction number, because it is equal to n+sod(n) for n = 28591757347396 and 28591757347405.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 95074472 + ... + 95374727.

It is an arithmetic number, because the mean of its divisors is an integer number (1512585636240).

Almost surely, 2^{28591757347472} is an apocalyptic number.

28591757347472 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

28591757347472 is an abundant number, since it is smaller than the sum of its proper divisors (31911668102128).

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

28591757347472 is a wasteful number, since it uses less digits than its factorization.

28591757347472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190450071 (or 190450065 counting only the distinct ones).

The product of its digits is 829785600, while the sum is 71.

The spelling of 28591757347472 in words is "twenty-eight trillion, five hundred ninety-one billion, seven hundred fifty-seven million, three hundred forty-seven thousand, four hundred seventy-two".