27712238980 has 12 divisors (see below), whose sum is σ = 58195701900. Its totient is φ = 11084895584.

The previous prime is 27712238977. The next prime is 27712238987. The reversal of 27712238980 is 8983221772.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 17814774784 + 9897464196 = 133472^2 + 99486^2 .

It is not an unprimeable number, because it can be changed into a prime (27712238987) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 692805955 + ... + 692805994.

It is an arithmetic number, because the mean of its divisors is an integer number (4849641825).

Almost surely, 2^27712238980 is an apocalyptic number.

27712238980 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

27712238980 is an abundant number, since it is smaller than the sum of its proper divisors (30483462920).

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

27712238980 is a wasteful number, since it uses less digits than its factorization.

27712238980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1385611958 (or 1385611956 counting only the distinct ones).

The product of its (nonzero) digits is 677376, while the sum is 49.

The spelling of 27712238980 in words is "twenty-seven billion, seven hundred twelve million, two hundred thirty-eight thousand, nine hundred eighty".