276211085 has 16 divisors (see below), whose sum is σ = 343042560. Its totient is φ = 213280320.

The previous prime is 276211081. The next prime is 276211127. The reversal of 276211085 is 580112672.

It is not a de Polignac number, because 276211085 - 2² = 276211081 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (276211081) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 62819 + ... + 67071.

It is an arithmetic number, because the mean of its divisors is an integer number (21440160).

Almost surely, 2^276211085 is an apocalyptic number.

It is an amenable number.

276211085 is a deficient number, since it is larger than the sum of its proper divisors (66831475).

276211085 is a wasteful number, since it uses less digits than its factorization.

276211085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4708.

The product of its (nonzero) digits is 6720, while the sum is 32.

The square root of 276211085 is about 16619.5994235722. The cubic root of 276211085 is about 651.2489477746.

The spelling of 276211085 in words is "two hundred seventy-six million, two hundred eleven thousand, eighty-five".