27151982 has 32 divisors (see below), whose sum is σ = 48263040. Its totient is φ = 11293920.

The previous prime is 27151921. The next prime is 27152003. The reversal of 27151982 is 28915172.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39413 + ... + 40095.

It is an arithmetic number, because the mean of its divisors is an integer number (1508220).

Almost surely, 2^27151982 is an apocalyptic number.

27151982 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

27151982 is a deficient number, since it is larger than the sum of its proper divisors (21111058).

27151982 is a wasteful number, since it uses less digits than its factorization.

27151982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 848.

The product of its digits is 10080, while the sum is 35.

The square root of 27151982 is about 5210.7563750381. The cubic root of 27151982 is about 300.5618434127.

The spelling of 27151982 in words is "twenty-seven million, one hundred fifty-one thousand, nine hundred eighty-two".