25627683816 has 96 divisors (see below), whose sum is σ = 83498750400. Its totient is φ = 6936814080.

The previous prime is 25627683793. The next prime is 25627683833. The reversal of 25627683816 is 61838672652.

25627683816 is a `hidden beast` number, since 2 + 5 + 627 + 6 + 8 + 3 + 8 + 1 + 6 = 666.

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, 1328545 + ... + 1347696.

It is an arithmetic number, because the mean of its divisors is an integer number (869778650).

Almost surely, 2^25627683816 is an apocalyptic number.

It is an amenable number.

25627683816 is an abundant number, since it is smaller than the sum of its proper divisors (57871066584).

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

25627683816 is a wasteful number, since it uses less digits than its factorization.

25627683816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2676279 (or 2676272 counting only the distinct ones).

The product of its digits is 5806080, while the sum is 54.

The spelling of 25627683816 in words is "twenty-five billion, six hundred twenty-seven million, six hundred eighty-three thousand, eight hundred sixteen".