25276565683987 has 2 divisors, whose sum is σ = 25276565683988. Its totient is φ = 25276565683986.

The previous prime is 25276565683969. The next prime is 25276565684003. The reversal of 25276565683987 is 78938656567252.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 25276565683987 - 2²⁷ = 25276431466259 is a prime.

It is not a weakly prime, because it can be changed into another prime (25276565689987) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12638282841993 + 12638282841994.

It is an arithmetic number, because the mean of its divisors is an integer number (12638282841994).

Almost surely, 2^{25276565683987} is an apocalyptic number.

25276565683987 is a deficient number, since it is larger than the sum of its proper divisors (1).

25276565683987 is an equidigital number, since it uses as much as digits as its factorization.

25276565683987 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9144576000, while the sum is 79.

The spelling of 25276565683987 in words is "twenty-five trillion, two hundred seventy-six billion, five hundred sixty-five million, six hundred eighty-three thousand, nine hundred eighty-seven".