811296147 has 4 divisors (see below), whose sum is σ = 1081728200. Its totient is φ = 540864096.

The previous prime is 811296137. The next prime is 811296163. The reversal of 811296147 is 741692118.

811296147 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 811296147 - 2¹⁵ = 811263379 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (811296107) 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, 135216022 + ... + 135216027.

It is an arithmetic number, because the mean of its divisors is an integer number (270432050).

Almost surely, 2^811296147 is an apocalyptic number.

811296147 is a deficient number, since it is larger than the sum of its proper divisors (270432053).

811296147 is a wasteful number, since it uses less digits than its factorization.

811296147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 270432052.

The product of its digits is 24192, while the sum is 39.

The square root of 811296147 is about 28483.2608210507. The cubic root of 811296147 is about 932.6667004025. Note that the first 3 decimals are identical.

The spelling of 811296147 in words is "eight hundred eleven million, two hundred ninety-six thousand, one hundred forty-seven".