25475761079 has 2 divisors, whose sum is σ = 25475761080. Its totient is φ = 25475761078.

The previous prime is 25475761067. The next prime is 25475761081. The reversal of 25475761079 is 97016757452.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25475761079 is a prime.

Together with 25475761081, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 25475761079.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25475761039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12737880539 + 12737880540.

It is an arithmetic number, because the mean of its divisors is an integer number (12737880540).

Almost surely, 2^25475761079 is an apocalyptic number.

25475761079 is a deficient number, since it is larger than the sum of its proper divisors (1).

25475761079 is an equidigital number, since it uses as much as digits as its factorization.

25475761079 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3704400, while the sum is 53.

The spelling of 25475761079 in words is "twenty-five billion, four hundred seventy-five million, seven hundred sixty-one thousand, seventy-nine".