25778367 has 12 divisors (see below), whose sum is σ = 37358464. Its totient is φ = 17128800.

The previous prime is 25778353. The next prime is 25778369. The reversal of 25778367 is 76387752.

It is not a de Polignac number, because 25778367 - 2¹¹ = 25776319 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 (25778369) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1759 + ... + 7392.

Almost surely, 2^25778367 is an apocalyptic number.

25778367 is a deficient number, since it is larger than the sum of its proper divisors (11580097).

25778367 is a wasteful number, since it uses less digits than its factorization.

25778367 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9470 (or 9467 counting only the distinct ones).

The product of its digits is 493920, while the sum is 45.

The square root of 25778367 is about 5077.2400967455. The cubic root of 25778367 is about 295.4054255139.

The spelling of 25778367 in words is "twenty-five million, seven hundred seventy-eight thousand, three hundred sixty-seven".