847272697 has 2 divisors, whose sum is σ = 847272698. Its totient is φ = 847272696.

The previous prime is 847272691. The next prime is 847272703. The reversal of 847272697 is 796272748.

It is a balanced prime because it is at equal distance from previous prime (847272691) and next prime (847272703).

It can be written as a sum of positive squares in only one way, i.e., 846868201 + 404496 = 29101^2 + 636^2 .

It is a cyclic number.

It is not a de Polignac number, because 847272697 - 2¹⁵ = 847239929 is a prime.

It is not a weakly prime, because it can be changed into another prime (847272691) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 423636348 + 423636349.

It is an arithmetic number, because the mean of its divisors is an integer number (423636349).

Almost surely, 2^847272697 is an apocalyptic number.

It is an amenable number.

847272697 is a deficient number, since it is larger than the sum of its proper divisors (1).

847272697 is an equidigital number, since it uses as much as digits as its factorization.

847272697 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2370816, while the sum is 52.

The square root of 847272697 is about 29107.9490345850. The cubic root of 847272697 is about 946.2540193193.

The spelling of 847272697 in words is "eight hundred forty-seven million, two hundred seventy-two thousand, six hundred ninety-seven".