25436070086 has 16 divisors (see below), whose sum is σ = 43607579136. Its totient is φ = 10900451016.

The previous prime is 25436070083. The next prime is 25436070113. The reversal of 25436070086 is 68007063452.

It is a happy number.

25436070086 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×25436070086² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25436070083) 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 7 ways as a sum of consecutive naturals, for example, 196595 + ... + 299201.

It is an arithmetic number, because the mean of its divisors is an integer number (2725473696).

Almost surely, 2^25436070086 is an apocalyptic number.

25436070086 is a deficient number, since it is larger than the sum of its proper divisors (18171509050).

25436070086 is a wasteful number, since it uses less digits than its factorization.

25436070086 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120323.

The product of its (nonzero) digits is 241920, while the sum is 41.

The spelling of 25436070086 in words is "twenty-five billion, four hundred thirty-six million, seventy thousand, eighty-six".