25427264127 has 4 divisors (see below), whose sum is σ = 33903018840. Its totient is φ = 16951509416.

The previous prime is 25427264113. The next prime is 25427264141. The reversal of 25427264127 is 72146272452.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (25427264113) and next prime (25427264141).

It is a cyclic number.

It is not a de Polignac number, because 25427264127 - 2⁸ = 25427263871 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25427264627) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4237877352 + ... + 4237877357.

It is an arithmetic number, because the mean of its divisors is an integer number (8475754710).

Almost surely, 2^25427264127 is an apocalyptic number.

25427264127 is a deficient number, since it is larger than the sum of its proper divisors (8475754713).

25427264127 is an equidigital number, since it uses as much as digits as its factorization.

25427264127 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8475754712.

The product of its digits is 376320, while the sum is 42.

The spelling of 25427264127 in words is "twenty-five billion, four hundred twenty-seven million, two hundred sixty-four thousand, one hundred twenty-seven".