28325104723664 has 40 divisors (see below), whose sum is σ = 66020920789440. Its totient is φ = 11500418458368.

The previous prime is 28325104723589. The next prime is 28325104723691. The reversal of 28325104723664 is 46632740152382.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6655332629 + ... + 6655336884.

It is an arithmetic number, because the mean of its divisors is an integer number (1650523019736).

Almost surely, 2^{28325104723664} is an apocalyptic number.

It is an amenable number.

28325104723664 is an abundant number, since it is smaller than the sum of its proper divisors (37695816065776).

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

28325104723664 is a wasteful number, since it uses less digits than its factorization.

28325104723664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13310669547 (or 13310669541 counting only the distinct ones).

The product of its (nonzero) digits is 11612160, while the sum is 53.

The spelling of 28325104723664 in words is "twenty-eight trillion, three hundred twenty-five billion, one hundred four million, seven hundred twenty-three thousand, six hundred sixty-four".