25823880 has 64 divisors (see below), whose sum is σ = 86083200. Its totient is φ = 6886080.

The previous prime is 25823857. The next prime is 25823881. The reversal of 25823880 is 8832852.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (25823881) 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, 10876 + ... + 13035.

It is an arithmetic number, because the mean of its divisors is an integer number (1345050).

Almost surely, 2^25823880 is an apocalyptic number.

25823880 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25823880 is an abundant number, since it is smaller than the sum of its proper divisors (60259320).

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

25823880 is a wasteful number, since it uses less digits than its factorization.

25823880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23931 (or 23921 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 36.

The square root of 25823880 is about 5081.7201811985. The cubic root of 25823880 is about 295.5791743321.

The spelling of 25823880 in words is "twenty-five million, eight hundred twenty-three thousand, eight hundred eighty".