25992842397 has 16 divisors (see below), whose sum is σ = 35781580800. Its totient is φ = 16766535600.

The previous prime is 25992842377. The next prime is 25992842413. The reversal of 25992842397 is 79324829952.

It is not a de Polignac number, because 25992842397 - 2¹⁶ = 25992776861 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 25992842397.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25992842377) 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, 563622 + ... + 607992.

It is an arithmetic number, because the mean of its divisors is an integer number (2236348800).

Almost surely, 2^25992842397 is an apocalyptic number.

It is an amenable number.

25992842397 is a deficient number, since it is larger than the sum of its proper divisors (9788738403).

25992842397 is a wasteful number, since it uses less digits than its factorization.

25992842397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50704.

The product of its digits is 19595520, while the sum is 60.

The spelling of 25992842397 in words is "twenty-five billion, nine hundred ninety-two million, eight hundred forty-two thousand, three hundred ninety-seven".