28725355076386 has 16 divisors (see below), whose sum is σ = 47327816145600. Its totient is φ = 13015149439248.

The previous prime is 28725355076381. The next prime is 28725355076413. The reversal of 28725355076386 is 68367055352782.

It is not an unprimeable number, because it can be changed into a prime (28725355076381) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16433268621 + ... + 16433270368.

It is an arithmetic number, because the mean of its divisors is an integer number (2957988509100).

Almost surely, 2^{28725355076386} is an apocalyptic number.

28725355076386 is a deficient number, since it is larger than the sum of its proper divisors (18602461069214).

28725355076386 is a wasteful number, since it uses less digits than its factorization.

28725355076386 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32866539033.

The product of its (nonzero) digits is 508032000, while the sum is 67.

The spelling of 28725355076386 in words is "twenty-eight trillion, seven hundred twenty-five billion, three hundred fifty-five million, seventy-six thousand, three hundred eighty-six".