25648095785 has 8 divisors (see below), whose sum is σ = 33145231560. Its totient is φ = 18940132224.

The previous prime is 25648095743. The next prime is 25648095827. The reversal of 25648095785 is 58759084652.

It is an interprime number because it is at equal distance from previous prime (25648095743) and next prime (25648095827).

It can be written as a sum of positive squares in 4 ways, for example, as 882149401 + 24765946384 = 29701^2 + 157372^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-25648095785 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 197292980 + ... + 197293109.

It is an arithmetic number, because the mean of its divisors is an integer number (4143153945).

Almost surely, 2^25648095785 is an apocalyptic number.

It is an amenable number.

25648095785 is a deficient number, since it is larger than the sum of its proper divisors (7497135775).

25648095785 is a wasteful number, since it uses less digits than its factorization.

25648095785 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 394586107.

The product of its (nonzero) digits is 24192000, while the sum is 59.

The spelling of 25648095785 in words is "twenty-five billion, six hundred forty-eight million, ninety-five thousand, seven hundred eighty-five".