706687211077 has 2 divisors, whose sum is σ = 706687211078. Its totient is φ = 706687211076.

The previous prime is 706687211063. The next prime is 706687211129. The reversal of 706687211077 is 770112786607.

It is a happy number.

It is an a-pointer prime, because the next prime (706687211129) can be obtained adding 706687211077 to its sum of digits (52).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 702192044961 + 4495166116 = 837969^2 + 67046^2 .

It is a cyclic number.

It is not a de Polignac number, because 706687211077 - 2¹¹ = 706687209029 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (706687211017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 353343605538 + 353343605539.

It is an arithmetic number, because the mean of its divisors is an integer number (353343605539).

Almost surely, 2^706687211077 is an apocalyptic number.

It is an amenable number.

706687211077 is a deficient number, since it is larger than the sum of its proper divisors (1).

706687211077 is an equidigital number, since it uses as much as digits as its factorization.

706687211077 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1382976, while the sum is 52.

It can be divided in two parts, 706687 and 211077, that added together give a square (917764 = 958²).

The spelling of 706687211077 in words is "seven hundred six billion, six hundred eighty-seven million, two hundred eleven thousand, seventy-seven".