25022223789679 has 2 divisors, whose sum is σ = 25022223789680. Its totient is φ = 25022223789678.

The previous prime is 25022223789671. The next prime is 25022223789707. The reversal of 25022223789679 is 97698732222052.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 25022223789679 - 2³ = 25022223789671 is a prime.

It is a super-2 number, since 2×25022223789679² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 25022223789679.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25022223789671) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12511111894839 + 12511111894840.

It is an arithmetic number, because the mean of its divisors is an integer number (12511111894840).

Almost surely, 2^{25022223789679} is an apocalyptic number.

25022223789679 is a deficient number, since it is larger than the sum of its proper divisors (1).

25022223789679 is an equidigital number, since it uses as much as digits as its factorization.

25022223789679 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 91445760, while the sum is 64.

The spelling of 25022223789679 in words is "twenty-five trillion, twenty-two billion, two hundred twenty-three million, seven hundred eighty-nine thousand, six hundred seventy-nine".