25986378 has 32 divisors (see below), whose sum is σ = 58656960. Its totient is φ = 7602560.

The previous prime is 25986371. The next prime is 25986379. The reversal of 25986378 is 87368952.

It is not an unprimeable number, because it can be changed into a prime (25986371) 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, 4875 + ... + 8702.

It is an arithmetic number, because the mean of its divisors is an integer number (1833030).

Almost surely, 2^25986378 is an apocalyptic number.

25986378 is an abundant number, since it is smaller than the sum of its proper divisors (32670582).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25986378 is a wasteful number, since it uses less digits than its factorization.

25986378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13622.

The product of its digits is 725760, while the sum is 48.

The square root of 25986378 is about 5097.6835915933. The cubic root of 25986378 is about 296.1978604675.

The spelling of 25986378 in words is "twenty-five million, nine hundred eighty-six thousand, three hundred seventy-eight".