25826045787 has 12 divisors (see below), whose sum is σ = 38590643520. Its totient is φ = 16623661488.

The previous prime is 25826045761. The next prime is 25826045801. The reversal of 25826045787 is 78754062852.

25826045787 is a `hidden beast` number, since 2 + 5 + 8 + 2 + 60 + 4 + 578 + 7 = 666.

It is not a de Polignac number, because 25826045787 - 2¹⁹ = 25825521499 is a prime.

It is not an unprimeable number, because it can be changed into a prime (25826044787) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 49474923 + ... + 49475444.

It is an arithmetic number, because the mean of its divisors is an integer number (3215886960).

Almost surely, 2^25826045787 is an apocalyptic number.

25826045787 is a deficient number, since it is larger than the sum of its proper divisors (12764597733).

25826045787 is a wasteful number, since it uses less digits than its factorization.

25826045787 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98950402 (or 98950399 counting only the distinct ones).

The product of its (nonzero) digits is 7526400, while the sum is 54.

The spelling of 25826045787 in words is "twenty-five billion, eight hundred twenty-six million, forty-five thousand, seven hundred eighty-seven".