27773158064 has 20 divisors (see below), whose sum is σ = 53921002704. Its totient is φ = 13858060608.

The previous prime is 27773158051. The next prime is 27773158073. The reversal of 27773158064 is 46085137772.

It is a happy number.

It is a hoax number, since the sum of its digits (50) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 1774367 + ... + 1789950.

Almost surely, 2^27773158064 is an apocalyptic number.

It is an amenable number.

27773158064 is a deficient number, since it is larger than the sum of its proper divisors (26147844640).

27773158064 is a wasteful number, since it uses less digits than its factorization.

27773158064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3564812 (or 3564806 counting only the distinct ones).

The product of its (nonzero) digits is 1975680, while the sum is 50.

The spelling of 27773158064 in words is "twenty-seven billion, seven hundred seventy-three million, one hundred fifty-eight thousand, sixty-four".