25875475807 has 2 divisors, whose sum is σ = 25875475808. Its totient is φ = 25875475806.

The previous prime is 25875475783. The next prime is 25875475841. The reversal of 25875475807 is 70857457852.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25875475807 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25875475207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12937737903 + 12937737904.

It is an arithmetic number, because the mean of its divisors is an integer number (12937737904).

Almost surely, 2^25875475807 is an apocalyptic number.

25875475807 is a deficient number, since it is larger than the sum of its proper divisors (1).

25875475807 is an equidigital number, since it uses as much as digits as its factorization.

25875475807 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 21952000, while the sum is 58.

The spelling of 25875475807 in words is "twenty-five billion, eight hundred seventy-five million, four hundred seventy-five thousand, eight hundred seven".