272805897 has 32 divisors (see below), whose sum is σ = 449182720. Its totient is φ = 143415360.

The previous prime is 272805877. The next prime is 272805899. The reversal of 272805897 is 798508272.

It is not a de Polignac number, because 272805897 - 2¹⁵ = 272773129 is a prime.

It is not an unprimeable number, because it can be changed into a prime (272805899) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 88854 + ... + 91872.

It is an arithmetic number, because the mean of its divisors is an integer number (14036960).

Almost surely, 2^272805897 is an apocalyptic number.

It is an amenable number.

272805897 is a deficient number, since it is larger than the sum of its proper divisors (176376823).

272805897 is a wasteful number, since it uses less digits than its factorization.

272805897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3373.

The product of its (nonzero) digits is 564480, while the sum is 48.

The square root of 272805897 is about 16516.8367734261. The cubic root of 272805897 is about 648.5616296670.

The spelling of 272805897 in words is "two hundred seventy-two million, eight hundred five thousand, eight hundred ninety-seven".