272168887 has 4 divisors (see below), whose sum is σ = 278498440. Its totient is φ = 265839336.

The previous prime is 272168879. The next prime is 272168891. The reversal of 272168887 is 788861272.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 272168887 - 2³ = 272168879 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 272168887.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (272168987) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3164712 + ... + 3164797.

It is an arithmetic number, because the mean of its divisors is an integer number (69624610).

Almost surely, 2^272168887 is an apocalyptic number.

272168887 is a deficient number, since it is larger than the sum of its proper divisors (6329553).

272168887 is an equidigital number, since it uses as much as digits as its factorization.

272168887 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6329552.

The product of its digits is 602112, while the sum is 49.

The square root of 272168887 is about 16497.5418471965. The cubic root of 272168887 is about 648.0564325885.

The spelling of 272168887 in words is "two hundred seventy-two million, one hundred sixty-eight thousand, eight hundred eighty-seven".