25887084056 has 16 divisors (see below), whose sum is σ = 48983589600. Its totient is φ = 12824793504.

The previous prime is 25887084019. The next prime is 25887084079. The reversal of 25887084056 is 65048078852.

It is a super-2 number, since 2×25887084056² (a number of 22 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (53) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 25887083989 and 25887084007.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 14842640 + ... + 14844383.

It is an arithmetic number, because the mean of its divisors is an integer number (3061474350).

Almost surely, 2^25887084056 is an apocalyptic number.

It is an amenable number.

25887084056 is a deficient number, since it is larger than the sum of its proper divisors (23096505544).

25887084056 is a wasteful number, since it uses less digits than its factorization.

25887084056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29687138 (or 29687134 counting only the distinct ones).

The product of its (nonzero) digits is 4300800, while the sum is 53.

The spelling of 25887084056 in words is "twenty-five billion, eight hundred eighty-seven million, eighty-four thousand, fifty-six".