27775379004 has 24 divisors (see below), whose sum is σ = 65629589760. Its totient is φ = 9141263664.

The previous prime is 27775378999. The next prime is 27775379081. The reversal of 27775379004 is 40097357772.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14648514 + ... + 14650409.

It is an arithmetic number, because the mean of its divisors is an integer number (2734566240).

Almost surely, 2^27775379004 is an apocalyptic number.

It is an amenable number.

27775379004 is an abundant number, since it is smaller than the sum of its proper divisors (37854210756).

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

27775379004 is a wasteful number, since it uses less digits than its factorization.

27775379004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29299009 (or 29299007 counting only the distinct ones).

The product of its (nonzero) digits is 2593080, while the sum is 51.

The spelling of 27775379004 in words is "twenty-seven billion, seven hundred seventy-five million, three hundred seventy-nine thousand, four".