25870010647 has 8 divisors (see below), whose sum is σ = 28001435616. Its totient is φ = 23758789152.

The previous prime is 25870010641. The next prime is 25870010659. The reversal of 25870010647 is 74601007852.

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

It is a cyclic number.

It is not a de Polignac number, because 25870010647 - 2²⁷ = 25735792919 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 (25870010641) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5048203 + ... + 5053324.

It is an arithmetic number, because the mean of its divisors is an integer number (3500179452).

Almost surely, 2^25870010647 is an apocalyptic number.

25870010647 is a deficient number, since it is larger than the sum of its proper divisors (2131424969).

25870010647 is a wasteful number, since it uses less digits than its factorization.

25870010647 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10101737.

The product of its (nonzero) digits is 94080, while the sum is 40.

The spelling of 25870010647 in words is "twenty-five billion, eight hundred seventy million, ten thousand, six hundred forty-seven".