25797279350784 has 304 divisors, whose sum is σ = 70556782855680. Its totient is φ = 8379527331840.

The previous prime is 25797279350719. The next prime is 25797279350789. The reversal of 25797279350784 is 48705397279752.

It is not an unprimeable number, because it can be changed into a prime (25797279350789) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24314117614 + ... + 24314118674.

Almost surely, 2^{25797279350784} is an apocalyptic number.

25797279350784 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25797279350784, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35278391427840).

25797279350784 is an abundant number, since it is smaller than the sum of its proper divisors (44759503504896).

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

25797279350784 is an frugal number, since it uses more digits than its factorization.

25797279350784 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1862 (or 1828 counting only the distinct ones).

The product of its (nonzero) digits is 1867017600, while the sum is 75.

The spelling of 25797279350784 in words is "twenty-five trillion, seven hundred ninety-seven billion, two hundred seventy-nine million, three hundred fifty thousand, seven hundred eighty-four".