25747382677 has 2 divisors, whose sum is σ = 25747382678. Its totient is φ = 25747382676.

The previous prime is 25747382671. The next prime is 25747382747. The reversal of 25747382677 is 77628374752.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 20241891076 + 5505491601 = 142274^2 + 74199^2 .

It is a cyclic number.

It is not a de Polignac number, because 25747382677 - 2²⁷ = 25613164949 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25747382671) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12873691338 + 12873691339.

It is an arithmetic number, because the mean of its divisors is an integer number (12873691339).

Almost surely, 2^25747382677 is an apocalyptic number.

It is an amenable number.

25747382677 is a deficient number, since it is larger than the sum of its proper divisors (1).

25747382677 is an equidigital number, since it uses as much as digits as its factorization.

25747382677 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 27659520, while the sum is 58.

The spelling of 25747382677 in words is "twenty-five billion, seven hundred forty-seven million, three hundred eighty-two thousand, six hundred seventy-seven".