27716783064 has 32 divisors (see below), whose sum is σ = 72938904000. Its totient is φ = 8752668192.

The previous prime is 27716783057. The next prime is 27716783069. The reversal of 27716783064 is 46038761772.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 27716782998 and 27716783016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27716783069) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30390754 + ... + 30391665.

It is an arithmetic number, because the mean of its divisors is an integer number (2279340750).

Almost surely, 2^27716783064 is an apocalyptic number.

27716783064 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

27716783064 is an abundant number, since it is smaller than the sum of its proper divisors (45222120936).

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

27716783064 is a wasteful number, since it uses less digits than its factorization.

27716783064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60782447 (or 60782443 counting only the distinct ones).

The product of its (nonzero) digits is 2370816, while the sum is 51.

The spelling of 27716783064 in words is "twenty-seven billion, seven hundred sixteen million, seven hundred eighty-three thousand, sixty-four".