25238000087 has 2 divisors, whose sum is σ = 25238000088. Its totient is φ = 25238000086.

The previous prime is 25238000069. The next prime is 25238000141. The reversal of 25238000087 is 78000083252.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 25238000087 - 2²⁰ = 25236951511 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25238900087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12619000043 + 12619000044.

It is an arithmetic number, because the mean of its divisors is an integer number (12619000044).

Almost surely, 2^25238000087 is an apocalyptic number.

25238000087 is a deficient number, since it is larger than the sum of its proper divisors (1).

25238000087 is an equidigital number, since it uses as much as digits as its factorization.

25238000087 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 26880, while the sum is 35.

The spelling of 25238000087 in words is "twenty-five billion, two hundred thirty-eight million, eighty-seven", and thus it is an aban number.