272105887 has 2 divisors, whose sum is σ = 272105888. Its totient is φ = 272105886.

The previous prime is 272105863. The next prime is 272105903. The reversal of 272105887 is 788501272.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 272105887 - 2¹⁵ = 272073119 is a prime.

It is a super-2 number, since 2×272105887² = 148083227480113538, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (272105087) 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 as a sum of consecutive naturals, namely, 136052943 + 136052944.

It is an arithmetic number, because the mean of its divisors is an integer number (136052944).

Almost surely, 2^272105887 is an apocalyptic number.

272105887 is a deficient number, since it is larger than the sum of its proper divisors (1).

272105887 is an equidigital number, since it uses as much as digits as its factorization.

272105887 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 62720, while the sum is 40.

The square root of 272105887 is about 16495.6323613252. The cubic root of 272105887 is about 648.0064260083.

The spelling of 272105887 in words is "two hundred seventy-two million, one hundred five thousand, eight hundred eighty-seven".