25887078 has 24 divisors (see below), whose sum is σ = 64101648. Its totient is φ = 7396272.

The previous prime is 25887067. The next prime is 25887089. The reversal of 25887078 is 87078852.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (25887067) and next prime (25887089).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 102601 + ... + 102852.

It is an arithmetic number, because the mean of its divisors is an integer number (2670902).

Almost surely, 2^25887078 is an apocalyptic number.

25887078 is an abundant number, since it is smaller than the sum of its proper divisors (38214570).

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

25887078 is a wasteful number, since it uses less digits than its factorization.

25887078 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 205468 (or 205465 counting only the distinct ones).

The product of its (nonzero) digits is 250880, while the sum is 45.

The square root of 25887078 is about 5087.9345514658. The cubic root of 25887078 is about 295.8200985593.

The spelling of 25887078 in words is "twenty-five million, eight hundred eighty-seven thousand, seventy-eight".