25860937212 has 72 divisors (see below), whose sum is σ = 71826693120. Its totient is φ = 7780252320.

The previous prime is 25860937199. The next prime is 25860937243. The reversal of 25860937212 is 21273906852.

25860937212 is a `hidden beast` number, since 2 + 5 + 8 + 609 + 37 + 2 + 1 + 2 = 666.

It is a super-3 number, since 3×25860937212³ (a number of 32 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 179868 + ... + 289955.

It is an arithmetic number, because the mean of its divisors is an integer number (997592960).

Almost surely, 2^25860937212 is an apocalyptic number.

25860937212 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

25860937212 is an abundant number, since it is smaller than the sum of its proper divisors (45965755908).

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

25860937212 is a wasteful number, since it uses less digits than its factorization.

25860937212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 469983 (or 469978 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 45.

The spelling of 25860937212 in words is "twenty-five billion, eight hundred sixty million, nine hundred thirty-seven thousand, two hundred twelve".