25883087761 has 2 divisors, whose sum is σ = 25883087762. Its totient is φ = 25883087760.

The previous prime is 25883087749. The next prime is 25883087767. The reversal of 25883087761 is 16778038852.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 23061459600 + 2821628161 = 151860^2 + 53119^2 .

It is a cyclic number.

It is not a de Polignac number, because 25883087761 - 2¹⁵ = 25883054993 is a prime.

It is not a weakly prime, because it can be changed into another prime (25883087767) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12941543880 + 12941543881.

It is an arithmetic number, because the mean of its divisors is an integer number (12941543881).

Almost surely, 2^25883087761 is an apocalyptic number.

It is an amenable number.

25883087761 is a deficient number, since it is larger than the sum of its proper divisors (1).

25883087761 is an equidigital number, since it uses as much as digits as its factorization.

25883087761 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4515840, while the sum is 55.

The spelling of 25883087761 in words is "twenty-five billion, eight hundred eighty-three million, eighty-seven thousand, seven hundred sixty-one".