25527828771 has 12 divisors (see below), whose sum is σ = 37658074272. Its totient is φ = 16656455376.

The previous prime is 25527828769. The next prime is 25527828827. The reversal of 25527828771 is 17782872552.

It is a happy number.

25527828771 is a `hidden beast` number, since 2 + 552 + 7 + 8 + 2 + 87 + 7 + 1 = 666.

It is not a de Polignac number, because 25527828771 - 2¹ = 25527828769 is a prime.

It is a super-2 number, since 2×25527828771² (a number of 22 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (54) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (25527828701) 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 11 ways as a sum of consecutive naturals, for example, 30174316 + ... + 30175161.

It is an arithmetic number, because the mean of its divisors is an integer number (3138172856).

Almost surely, 2^25527828771 is an apocalyptic number.

25527828771 is a deficient number, since it is larger than the sum of its proper divisors (12130245501).

25527828771 is a wasteful number, since it uses less digits than its factorization.

25527828771 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60349530 (or 60349527 counting only the distinct ones).

The product of its digits is 4390400, while the sum is 54.

The spelling of 25527828771 in words is "twenty-five billion, five hundred twenty-seven million, eight hundred twenty-eight thousand, seven hundred seventy-one".