25763768887087 has 16 divisors (see below), whose sum is σ = 32561077070592. Its totient is φ = 19800654966720.

The previous prime is 25763768887067. The next prime is 25763768887093. The reversal of 25763768887087 is 78078886736752.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25763768887087 is a prime.

It is a super-2 number, since 2×25763768887087² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 25763768887087.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25763768887067) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2291736853 + ... + 2291748094.

It is an arithmetic number, because the mean of its divisors is an integer number (2035067316912).

Almost surely, 2^{25763768887087} is an apocalyptic number.

25763768887087 is a deficient number, since it is larger than the sum of its proper divisors (6797308183505).

25763768887087 is a wasteful number, since it uses less digits than its factorization.

25763768887087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4583485038.

The product of its (nonzero) digits is 10621255680, while the sum is 82.

The spelling of 25763768887087 in words is "twenty-five trillion, seven hundred sixty-three billion, seven hundred sixty-eight million, eight hundred eighty-seven thousand, eighty-seven".