25288767479 has 2 divisors, whose sum is σ = 25288767480. Its totient is φ = 25288767478.

The previous prime is 25288767457. The next prime is 25288767541. The reversal of 25288767479 is 97476788252.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 25288767479 - 2⁸ = 25288767223 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25288787479) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12644383739 + 12644383740.

It is an arithmetic number, because the mean of its divisors is an integer number (12644383740).

Almost surely, 2^25288767479 is an apocalyptic number.

25288767479 is a deficient number, since it is larger than the sum of its proper divisors (1).

25288767479 is an equidigital number, since it uses as much as digits as its factorization.

25288767479 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 94832640, while the sum is 65.

The spelling of 25288767479 in words is "twenty-five billion, two hundred eighty-eight million, seven hundred sixty-seven thousand, four hundred seventy-nine".