27779212364 has 24 divisors (see below), whose sum is σ = 49425336576. Its totient is φ = 13657824000.

The previous prime is 27779212327. The next prime is 27779212393. The reversal of 27779212364 is 46321297772.

It is a happy number.

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 7 ways as a sum of consecutive naturals, for example, 902549 + ... + 932819.

It is an arithmetic number, because the mean of its divisors is an integer number (2059389024).

Almost surely, 2^27779212364 is an apocalyptic number.

It is an amenable number.

27779212364 is a deficient number, since it is larger than the sum of its proper divisors (21646124212).

27779212364 is a wasteful number, since it uses less digits than its factorization.

27779212364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34097 (or 34095 counting only the distinct ones).

The product of its digits is 1778112, while the sum is 50.

The spelling of 27779212364 in words is "twenty-seven billion, seven hundred seventy-nine million, two hundred twelve thousand, three hundred sixty-four".