27786429964 has 12 divisors (see below), whose sum is σ = 49812258888. Its totient is φ = 13554356000.

The previous prime is 27786429929. The next prime is 27786430003. The reversal of 27786429964 is 46992468772.

It is a junction number, because it is equal to n+sod(n) for n = 27786429896 and 27786429905.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 84714562 + ... + 84714889.

It is an arithmetic number, because the mean of its divisors is an integer number (4151021574).

Almost surely, 2^27786429964 is an apocalyptic number.

It is an amenable number.

27786429964 is a deficient number, since it is larger than the sum of its proper divisors (22025828924).

27786429964 is a wasteful number, since it uses less digits than its factorization.

27786429964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169429496 (or 169429494 counting only the distinct ones).

The product of its digits is 73156608, while the sum is 64.

The spelling of 27786429964 in words is "twenty-seven billion, seven hundred eighty-six million, four hundred twenty-nine thousand, nine hundred sixty-four".