272136779 has 2 divisors, whose sum is σ = 272136780. Its totient is φ = 272136778.

The previous prime is 272136769. The next prime is 272136797. The reversal of 272136779 is 977631272.

Together with next prime (272136797) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 272136779 - 2⁸ = 272136523 is a prime.

It is not a weakly prime, because it can be changed into another prime (272136749) 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 as a sum of consecutive naturals, namely, 136068389 + 136068390.

It is an arithmetic number, because the mean of its divisors is an integer number (136068390).

Almost surely, 2^272136779 is an apocalyptic number.

272136779 is a deficient number, since it is larger than the sum of its proper divisors (1).

272136779 is an equidigital number, since it uses as much as digits as its factorization.

272136779 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 222264, while the sum is 44.

The square root of 272136779 is about 16496.5687038244. The cubic root of 272136779 is about 648.0309476595.

The spelling of 272136779 in words is "two hundred seventy-two million, one hundred thirty-six thousand, seven hundred seventy-nine".