25934238547885 has 16 divisors (see below), whose sum is σ = 31845594648384. Its totient is φ = 20264408341632.

The previous prime is 25934238547879. The next prime is 25934238547907. The reversal of 25934238547885 is 58874583243952.

It is a cyclic number.

It is not a de Polignac number, because 25934238547885 - 2²⁵ = 25934204993453 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7694289 + ... + 10539001.

It is an arithmetic number, because the mean of its divisors is an integer number (1990349665524).

Almost surely, 2^{25934238547885} is an apocalyptic number.

It is an amenable number.

25934238547885 is a deficient number, since it is larger than the sum of its proper divisors (5911356100499).

25934238547885 is a wasteful number, since it uses less digits than its factorization.

25934238547885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2887164.

The product of its digits is 2322432000, while the sum is 73.

The spelling of 25934238547885 in words is "twenty-five trillion, nine hundred thirty-four billion, two hundred thirty-eight million, five hundred forty-seven thousand, eight hundred eighty-five".