272789885 has 4 divisors (see below), whose sum is σ = 327347868. Its totient is φ = 218231904.

The previous prime is 272789819. The next prime is 272789903. The reversal of 272789885 is 588987272.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 43388569 + 229401316 = 6587^2 + 15146^2 .

It is a cyclic number.

It is not a de Polignac number, because 272789885 - 2¹² = 272785789 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 272789885.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 27278984 + ... + 27278993.

It is an arithmetic number, because the mean of its divisors is an integer number (81836967).

Almost surely, 2^272789885 is an apocalyptic number.

It is an amenable number.

272789885 is a deficient number, since it is larger than the sum of its proper divisors (54557983).

272789885 is an equidigital number, since it uses as much as digits as its factorization.

272789885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54557982.

The product of its digits is 4515840, while the sum is 56.

The square root of 272789885 is about 16516.3520488030. The cubic root of 272789885 is about 648.5489405815.

The spelling of 272789885 in words is "two hundred seventy-two million, seven hundred eighty-nine thousand, eight hundred eighty-five".