27765982 has 4 divisors (see below), whose sum is σ = 41648976. Its totient is φ = 13882990.

The previous prime is 27765971. The next prime is 27765989. The reversal of 27765982 is 28956772.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27765989) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6941494 + ... + 6941497.

It is an arithmetic number, because the mean of its divisors is an integer number (10412244).

Almost surely, 2^27765982 is an apocalyptic number.

27765982 is a deficient number, since it is larger than the sum of its proper divisors (13882994).

27765982 is a wasteful number, since it uses less digits than its factorization.

27765982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13882993.

The product of its digits is 423360, while the sum is 46.

The square root of 27765982 is about 5269.3436023854. The cubic root of 27765982 is about 302.8105573678.

The spelling of 27765982 in words is "twenty-seven million, seven hundred sixty-five thousand, nine hundred eighty-two".