25878084 has 12 divisors (see below), whose sum is σ = 60382224. Its totient is φ = 8626024.

The previous prime is 25878079. The next prime is 25878089. The reversal of 25878084 is 48087852.

It is an interprime number because it is at equal distance from previous prime (25878079) and next prime (25878089).

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×25878084² = 1339350463022112, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (25878089) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1078242 + ... + 1078265.

It is an arithmetic number, because the mean of its divisors is an integer number (5031852).

Almost surely, 2^25878084 is an apocalyptic number.

It is an amenable number.

25878084 is an abundant number, since it is smaller than the sum of its proper divisors (34504140).

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

25878084 is a wasteful number, since it uses less digits than its factorization.

25878084 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2156514 (or 2156512 counting only the distinct ones).

The product of its (nonzero) digits is 143360, while the sum is 42.

The square root of 25878084 is about 5087.0506189736. The cubic root of 25878084 is about 295.7858354654.

The spelling of 25878084 in words is "twenty-five million, eight hundred seventy-eight thousand, eighty-four".