847342113157 has 2 divisors, whose sum is σ = 847342113158. Its totient is φ = 847342113156.

The previous prime is 847342113151. The next prime is 847342113179. The reversal of 847342113157 is 751311243748.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 782391551841 + 64950561316 = 884529^2 + 254854^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-847342113157 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (847342113151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 423671056578 + 423671056579.

It is an arithmetic number, because the mean of its divisors is an integer number (423671056579).

Almost surely, 2^847342113157 is an apocalyptic number.

It is an amenable number.

847342113157 is a deficient number, since it is larger than the sum of its proper divisors (1).

847342113157 is an equidigital number, since it uses as much as digits as its factorization.

847342113157 is an evil number, because the sum of its binary digits is even.

The product of its digits is 564480, while the sum is 46.

The spelling of 847342113157 in words is "eight hundred forty-seven billion, three hundred forty-two million, one hundred thirteen thousand, one hundred fifty-seven".