25887624047 has 2 divisors, whose sum is σ = 25887624048. Its totient is φ = 25887624046.

The previous prime is 25887624029. The next prime is 25887624101. The reversal of 25887624047 is 74042678852.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 25887624047 - 2¹⁰ = 25887623023 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 25887624047.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25887621047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12943812023 + 12943812024.

It is an arithmetic number, because the mean of its divisors is an integer number (12943812024).

Almost surely, 2^25887624047 is an apocalyptic number.

25887624047 is a deficient number, since it is larger than the sum of its proper divisors (1).

25887624047 is an equidigital number, since it uses as much as digits as its factorization.

25887624047 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6021120, while the sum is 53.

The spelling of 25887624047 in words is "twenty-five billion, eight hundred eighty-seven million, six hundred twenty-four thousand, forty-seven".