272661887 has 8 divisors (see below), whose sum is σ = 278135472. Its totient is φ = 267220800.

The previous prime is 272661863. The next prime is 272661901. The reversal of 272661887 is 788166272.

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 272661887 - 2¹⁰ = 272660863 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (272661817) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9188 + ... + 25094.

It is an arithmetic number, because the mean of its divisors is an integer number (34766934).

Almost surely, 2^272661887 is an apocalyptic number.

272661887 is a deficient number, since it is larger than the sum of its proper divisors (5473585).

272661887 is a wasteful number, since it uses less digits than its factorization.

272661887 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16249.

The product of its digits is 451584, while the sum is 47.

The square root of 272661887 is about 16512.4767070237. The cubic root of 272661887 is about 648.4474877064.

The spelling of 272661887 in words is "two hundred seventy-two million, six hundred sixty-one thousand, eight hundred eighty-seven".