25787176265967 has 16 divisors (see below), whose sum is σ = 35312559685632. Its totient is φ = 16726632118560.

The previous prime is 25787176265947. The next prime is 25787176265989. The reversal of 25787176265967 is 76956267178752.

It is not a de Polignac number, because 25787176265967 - 2¹⁰ = 25787176264943 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 25787176265892 and 25787176265901.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25787176265947) 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, 9184242 + ... + 11658672.

It is an arithmetic number, because the mean of its divisors is an integer number (2207034980352).

Almost surely, 2^{25787176265967} is an apocalyptic number.

25787176265967 is a deficient number, since it is larger than the sum of its proper divisors (9525383419665).

25787176265967 is a wasteful number, since it uses less digits than its factorization.

25787176265967 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2568358.

The product of its digits is 3734035200, while the sum is 78.

The spelling of 25787176265967 in words is "twenty-five trillion, seven hundred eighty-seven billion, one hundred seventy-six million, two hundred sixty-five thousand, nine hundred sixty-seven".