27769809384 has 48 divisors (see below), whose sum is σ = 77044296420. Its totient is φ = 9030831360.

The previous prime is 27769809371. The next prime is 27769809401. The reversal of 27769809384 is 48390896772.

It can be written as a sum of positive squares in 2 ways, for example, as 27175522500 + 594286884 = 164850^2 + 24378^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4700607 + ... + 4706510.

Almost surely, 2^27769809384 is an apocalyptic number.

27769809384 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

27769809384 is an abundant number, since it is smaller than the sum of its proper divisors (49274487036).

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

27769809384 is a wasteful number, since it uses less digits than its factorization.

27769809384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9407170 (or 9407163 counting only the distinct ones).

The product of its (nonzero) digits is 36578304, while the sum is 63.

The spelling of 27769809384 in words is "twenty-seven billion, seven hundred sixty-nine million, eight hundred nine thousand, three hundred eighty-four".