873274747 has 2 divisors, whose sum is σ = 873274748. Its totient is φ = 873274746.

The previous prime is 873274679. The next prime is 873274757. The reversal of 873274747 is 747472378.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-873274747 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 873274747.

It is not a weakly prime, because it can be changed into another prime (873274757) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 436637373 + 436637374.

It is an arithmetic number, because the mean of its divisors is an integer number (436637374).

Almost surely, 2^873274747 is an apocalyptic number.

873274747 is a deficient number, since it is larger than the sum of its proper divisors (1).

873274747 is an equidigital number, since it uses as much as digits as its factorization.

873274747 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1843968, while the sum is 49.

The square root of 873274747 is about 29551.2224281839. Note that the first 3 decimals coincide. The cubic root of 873274747 is about 955.8365510583.

The spelling of 873274747 in words is "eight hundred seventy-three million, two hundred seventy-four thousand, seven hundred forty-seven".