25527828827 has 2 divisors, whose sum is σ = 25527828828. Its totient is φ = 25527828826.

The previous prime is 25527828769. The next prime is 25527828839. The reversal of 25527828827 is 72882872552.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 25527828827 - 2⁶ = 25527828763 is a prime.

It is a super-2 number, since 2×25527828827² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (25527828427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12763914413 + 12763914414.

It is an arithmetic number, because the mean of its divisors is an integer number (12763914414).

Almost surely, 2^25527828827 is an apocalyptic number.

25527828827 is a deficient number, since it is larger than the sum of its proper divisors (1).

25527828827 is an equidigital number, since it uses as much as digits as its factorization.

25527828827 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10035200, while the sum is 56.

The spelling of 25527828827 in words is "twenty-five billion, five hundred twenty-seven million, eight hundred twenty-eight thousand, eight hundred twenty-seven".