27854331970 has 16 divisors (see below), whose sum is σ = 50597779320. Its totient is φ = 11039514624.

The previous prime is 27854331959. The next prime is 27854331977. The reversal of 27854331970 is 7913345872.

It can be written as a sum of positive squares in 4 ways, for example, as 16835841009 + 11018490961 = 129753^2 + 104969^2 .

It is not an unprimeable number, because it can be changed into a prime (27854331977) 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 7 ways as a sum of consecutive naturals, for example, 12776127 + ... + 12778306.

Almost surely, 2^27854331970 is an apocalyptic number.

27854331970 is a deficient number, since it is larger than the sum of its proper divisors (22743447350).

27854331970 is a wasteful number, since it uses less digits than its factorization.

27854331970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25554549.

The product of its (nonzero) digits is 1270080, while the sum is 49.

The spelling of 27854331970 in words is "twenty-seven billion, eight hundred fifty-four million, three hundred thirty-one thousand, nine hundred seventy".