25800000799 has 2 divisors, whose sum is σ = 25800000800. Its totient is φ = 25800000798.

The previous prime is 25800000773. The next prime is 25800000847. The reversal of 25800000799 is 99700000852.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 25800000799 - 2⁵ = 25800000767 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25800000739) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12900000399 + 12900000400.

It is an arithmetic number, because the mean of its divisors is an integer number (12900000400).

Almost surely, 2^25800000799 is an apocalyptic number.

25800000799 is a deficient number, since it is larger than the sum of its proper divisors (1).

25800000799 is an equidigital number, since it uses as much as digits as its factorization.

25800000799 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 45360, while the sum is 40.

The spelling of 25800000799 in words is "twenty-five billion, eight hundred million, seven hundred ninety-nine", and thus it is an aban number.