276227197 has 8 divisors (see below), whose sum is σ = 279297144. Its totient is φ = 273174528.

The previous prime is 276227183. The next prime is 276227207. The reversal of 276227197 is 791722672.

It can be written as a sum of positive squares in 4 ways, for example, as 97042201 + 179184996 = 9851^2 + 13386^2 .

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 276227197 - 2⁷ = 276227069 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 (276227137) 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, 29253 + ... + 37525.

It is an arithmetic number, because the mean of its divisors is an integer number (34912143).

Almost surely, 2^276227197 is an apocalyptic number.

It is an amenable number.

276227197 is a deficient number, since it is larger than the sum of its proper divisors (3069947).

276227197 is a wasteful number, since it uses less digits than its factorization.

276227197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8639.

The product of its digits is 148176, while the sum is 43.

The square root of 276227197 is about 16620.0841453947. The cubic root of 276227197 is about 651.2616104561.

The spelling of 276227197 in words is "two hundred seventy-six million, two hundred twenty-seven thousand, one hundred ninety-seven".