27711982 has 16 divisors (see below), whose sum is σ = 42752304. Its totient is φ = 13464000.

The previous prime is 27711979. The next prime is 27711991. The reversal of 27711982 is 28911772.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26632 + ... + 27652.

It is an arithmetic number, because the mean of its divisors is an integer number (2672019).

Almost surely, 2^27711982 is an apocalyptic number.

27711982 is a deficient number, since it is larger than the sum of its proper divisors (15040322).

27711982 is a wasteful number, since it uses less digits than its factorization.

27711982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1395.

The product of its digits is 14112, while the sum is 37.

The square root of 27711982 is about 5264.2171307802. The cubic root of 27711982 is about 302.6141253692.

It can be divided in two parts, 2771 and 1982, that added together give a triangular number (4753 = T₉₇).

The spelling of 27711982 in words is "twenty-seven million, seven hundred eleven thousand, nine hundred eighty-two".