271986979 has 8 divisors (see below), whose sum is σ = 303026688. Its totient is φ = 241999560.

The previous prime is 271986943. The next prime is 271987021. The reversal of 271986979 is 979689172.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 271986979 - 2⁷ = 271986851 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (271986929) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 262527 + ... + 263560.

It is an arithmetic number, because the mean of its divisors is an integer number (37878336).

Almost surely, 2^271986979 is an apocalyptic number.

271986979 is a deficient number, since it is larger than the sum of its proper divisors (31039709).

271986979 is a wasteful number, since it uses less digits than its factorization.

271986979 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 526145.

The product of its digits is 3429216, while the sum is 58.

The square root of 271986979 is about 16492.0277406994. The cubic root of 271986979 is about 647.9120211235.

It can be divided in two parts, 2719 and 86979, that added together give a palindrome (89698).

The spelling of 271986979 in words is "two hundred seventy-one million, nine hundred eighty-six thousand, nine hundred seventy-nine".