25473614077 has 2 divisors, whose sum is σ = 25473614078. Its totient is φ = 25473614076.

The previous prime is 25473614071. The next prime is 25473614107. The reversal of 25473614077 is 77041637452.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 16761445156 + 8712168921 = 129466^2 + 93339^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25473614077 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25473614071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12736807038 + 12736807039.

It is an arithmetic number, because the mean of its divisors is an integer number (12736807039).

Almost surely, 2^25473614077 is an apocalyptic number.

It is an amenable number.

25473614077 is a deficient number, since it is larger than the sum of its proper divisors (1).

25473614077 is an equidigital number, since it uses as much as digits as its factorization.

25473614077 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 987840, while the sum is 46.

The spelling of 25473614077 in words is "twenty-five billion, four hundred seventy-three million, six hundred fourteen thousand, seventy-seven".