25867948371 has 16 divisors (see below), whose sum is σ = 35075566080. Its totient is φ = 16954192640.

The previous prime is 25867948369. The next prime is 25867948387. The reversal of 25867948371 is 17384976852.

It is a cyclic number.

It is not a de Polignac number, because 25867948371 - 2¹ = 25867948369 is a prime.

It is not an unprimeable number, because it can be changed into a prime (25867948321) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 96831 + ... + 247208.

It is an arithmetic number, because the mean of its divisors is an integer number (2192222880).

Almost surely, 2^25867948371 is an apocalyptic number.

25867948371 is a deficient number, since it is larger than the sum of its proper divisors (9207617709).

25867948371 is a wasteful number, since it uses less digits than its factorization.

25867948371 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 344466.

The product of its digits is 20321280, while the sum is 60.

The spelling of 25867948371 in words is "twenty-five billion, eight hundred sixty-seven million, nine hundred forty-eight thousand, three hundred seventy-one".