806157347 has 2 divisors, whose sum is σ = 806157348. Its totient is φ = 806157346.

The previous prime is 806157299. The next prime is 806157377. The reversal of 806157347 is 743751608.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 806157347 - 2⁸ = 806157091 is a prime.

It is not a weakly prime, because it can be changed into another prime (806157377) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 403078673 + 403078674.

It is an arithmetic number, because the mean of its divisors is an integer number (403078674).

Almost surely, 2^806157347 is an apocalyptic number.

806157347 is a deficient number, since it is larger than the sum of its proper divisors (1).

806157347 is an equidigital number, since it uses as much as digits as its factorization.

806157347 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 141120, while the sum is 41.

The square root of 806157347 is about 28392.9101537690. The cubic root of 806157347 is about 930.6933385218.

The spelling of 806157347 in words is "eight hundred six million, one hundred fifty-seven thousand, three hundred forty-seven".