25865877703 has 6 divisors (see below), whose sum is σ = 25882583064. Its totient is φ = 25849181376.

The previous prime is 25865877683. The next prime is 25865877707. The reversal of 25865877703 is 30777856852.

It is not a de Polignac number, because 25865877703 - 2¹⁷ = 25865746631 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25865877707) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6721726 + ... + 6725572.

It is an arithmetic number, because the mean of its divisors is an integer number (4313763844).

Almost surely, 2^25865877703 is an apocalyptic number.

25865877703 is a deficient number, since it is larger than the sum of its proper divisors (16705361).

25865877703 is an frugal number, since it uses more digits than its factorization.

25865877703 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9033 (or 6440 counting only the distinct ones).

The product of its (nonzero) digits is 19756800, while the sum is 58.

The spelling of 25865877703 in words is "twenty-five billion, eight hundred sixty-five million, eight hundred seventy-seven thousand, seven hundred three".