25696852667 has 2 divisors, whose sum is σ = 25696852668. Its totient is φ = 25696852666.

The previous prime is 25696852591. The next prime is 25696852703. The reversal of 25696852667 is 76625869652.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 25696852667 - 2²⁰ = 25695804091 is a prime.

It is a super-3 number, since 3×25696852667³ (a number of 32 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (25696852267) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12848426333 + 12848426334.

It is an arithmetic number, because the mean of its divisors is an integer number (12848426334).

Almost surely, 2^25696852667 is an apocalyptic number.

25696852667 is a deficient number, since it is larger than the sum of its proper divisors (1).

25696852667 is an equidigital number, since it uses as much as digits as its factorization.

25696852667 is an evil number, because the sum of its binary digits is even.

The product of its digits is 65318400, while the sum is 62.

The spelling of 25696852667 in words is "twenty-five billion, six hundred ninety-six million, eight hundred fifty-two thousand, six hundred sixty-seven".