25873237852 has 72 divisors (see below), whose sum is σ = 57431349248. Its totient is φ = 9982478880.

The previous prime is 25873237823. The next prime is 25873237909.

25873237852 is nontrivially palindromic in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 25873237852.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 311893 + ... + 386035.

Almost surely, 2^25873237852 is an apocalyptic number.

25873237852 is a gapful number since it is divisible by the number (22) 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 25873237852, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28715674624).

25873237852 is an abundant number, since it is smaller than the sum of its proper divisors (31558111396).

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

25873237852 is a wasteful number, since it uses less digits than its factorization.

25873237852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74279 (or 74266 counting only the distinct ones).

The product of its digits is 5644800, while the sum is 52.

The spelling of 25873237852 in words is "twenty-five billion, eight hundred seventy-three million, two hundred thirty-seven thousand, eight hundred fifty-two".