25768998 has 24 divisors (see below), whose sum is σ = 57635136. Its totient is φ = 8312400.

The previous prime is 25768987. The next prime is 25768999. The reversal of 25768998 is 89986752.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25768999) 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, 22533 + ... + 23648.

It is an arithmetic number, because the mean of its divisors is an integer number (2401464).

Almost surely, 2^25768998 is an apocalyptic number.

25768998 is an abundant number, since it is smaller than the sum of its proper divisors (31866138).

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

25768998 is a wasteful number, since it uses less digits than its factorization.

25768998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46220 (or 46217 counting only the distinct ones).

The product of its digits is 2177280, while the sum is 54.

The square root of 25768998 is about 5076.3173659652. The cubic root of 25768998 is about 295.3696333735.

The spelling of 25768998 in words is "twenty-five million, seven hundred sixty-eight thousand, nine hundred ninety-eight".