276774213 has 4 divisors (see below), whose sum is σ = 369032288. Its totient is φ = 184516140.

The previous prime is 276774181. The next prime is 276774233. The reversal of 276774213 is 312477672.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 276774213 - 2⁵ = 276774181 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 (276774233) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46129033 + ... + 46129038.

It is an arithmetic number, because the mean of its divisors is an integer number (92258072).

Almost surely, 2^276774213 is an apocalyptic number.

It is an amenable number.

276774213 is a deficient number, since it is larger than the sum of its proper divisors (92258075).

276774213 is an equidigital number, since it uses as much as digits as its factorization.

276774213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92258074.

The product of its digits is 98784, while the sum is 39.

The square root of 276774213 is about 16636.5324812594. The cubic root of 276774213 is about 651.6912273572.

The spelling of 276774213 in words is "two hundred seventy-six million, seven hundred seventy-four thousand, two hundred thirteen".