25706314797 has 8 divisors (see below), whose sum is σ = 34275845856. Its totient is φ = 17137163472.

The previous prime is 25706314789. The next prime is 25706314801. The reversal of 25706314797 is 79741360752.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 25706314797 - 2³ = 25706314789 is a prime.

It is a super-3 number, since 3×25706314797³ (a number of 32 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25706314597) 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, 163638 + ... + 279624.

It is an arithmetic number, because the mean of its divisors is an integer number (4284480732).

Almost surely, 2^25706314797 is an apocalyptic number.

It is an amenable number.

25706314797 is a deficient number, since it is larger than the sum of its proper divisors (8569531059).

25706314797 is a wasteful number, since it uses less digits than its factorization.

25706314797 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189867.

The product of its (nonzero) digits is 2222640, while the sum is 51.

The spelling of 25706314797 in words is "twenty-five billion, seven hundred six million, three hundred fourteen thousand, seven hundred ninety-seven".