272811979 has 8 divisors (see below), whose sum is σ = 297861120. Its totient is φ = 247804200.

The previous prime is 272811949. The next prime is 272811983. The reversal of 272811979 is 979118272.

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

It is a cyclic number.

It is not a de Polignac number, because 272811979 - 2⁹ = 272811467 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (272811919) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4374 + ... + 23764.

It is an arithmetic number, because the mean of its divisors is an integer number (37232640).

Almost surely, 2^272811979 is an apocalyptic number.

272811979 is a deficient number, since it is larger than the sum of its proper divisors (25049141).

272811979 is a wasteful number, since it uses less digits than its factorization.

272811979 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20681.

The product of its digits is 127008, while the sum is 46.

The square root of 272811979 is about 16517.0208875572. The cubic root of 272811979 is about 648.5664493606.

It can be divided in two parts, 27 and 2811979, that added together give a triangular number (2812006 = T₂₃₇₁).

The spelling of 272811979 in words is "two hundred seventy-two million, eight hundred eleven thousand, nine hundred seventy-nine".