25887225800 has 108 divisors (see below), whose sum is σ = 62361894465. Its totient is φ = 9993556800.

The previous prime is 25887225797. The next prime is 25887225803. The reversal of 25887225800 is 852278852.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It is an interprime number because it is at equal distance from previous prime (25887225797) and next prime (25887225803).

It can be written as a sum of positive squares in 2 ways, for example, as 25369481284 + 517744516 = 159278^2 + 22754^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=113770.

It is not an unprimeable number, because it can be changed into a prime (25887225803) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 70537217 + ... + 70537583.

Almost surely, 2^25887225800 is an apocalyptic number.

25887225800 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25887225800

25887225800 is an abundant number, since it is smaller than the sum of its proper divisors (36474668665).

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

25887225800 is an equidigital number, since it uses as much as digits as its factorization.

25887225800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 812 (or 405 counting only the distinct ones).

The product of its (nonzero) digits is 716800, while the sum is 47.

The spelling of 25887225800 in words is "twenty-five billion, eight hundred eighty-seven million, two hundred twenty-five thousand, eight hundred".