27783690051 has 64 divisors (see below), whose sum is σ = 41385738240. Its totient is φ = 16473300480.

The previous prime is 27783690043. The next prime is 27783690089. The reversal of 27783690051 is 15009638772.

It is not a de Polignac number, because 27783690051 - 2³ = 27783690043 is a prime.

It is not an unprimeable number, because it can be changed into a prime (27783690031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 28612996 + ... + 28613966.

It is an arithmetic number, because the mean of its divisors is an integer number (646652160).

Almost surely, 2^27783690051 is an apocalyptic number.

27783690051 is a deficient number, since it is larger than the sum of its proper divisors (13602048189).

27783690051 is a wasteful number, since it uses less digits than its factorization.

27783690051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1276.

The product of its (nonzero) digits is 635040, while the sum is 48.

The spelling of 27783690051 in words is "twenty-seven billion, seven hundred eighty-three million, six hundred ninety thousand, fifty-one".