706371985117 has 2 divisors, whose sum is σ = 706371985118. Its totient is φ = 706371985116.

The previous prime is 706371985103. The next prime is 706371985141. The reversal of 706371985117 is 711589173607.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 705690722916 + 681262201 = 840054^2 + 26101^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-706371985117 is a prime.

It is a super-2 number, since 2×706371985117² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (706371985147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 353185992558 + 353185992559.

It is an arithmetic number, because the mean of its divisors is an integer number (353185992559).

Almost surely, 2^706371985117 is an apocalyptic number.

It is an amenable number.

706371985117 is a deficient number, since it is larger than the sum of its proper divisors (1).

706371985117 is an equidigital number, since it uses as much as digits as its factorization.

706371985117 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2222640, while the sum is 55.

The spelling of 706371985117 in words is "seven hundred six billion, three hundred seventy-one million, nine hundred eighty-five thousand, one hundred seventeen".