351982886669077 has 2 divisors, whose sum is σ = 351982886669078. Its totient is φ = 351982886669076.

The previous prime is 351982886669069. The next prime is 351982886669143. The reversal of 351982886669077 is 770966688289153.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 350066569724356 + 1916316944721 = 18710066^2 + 1384311^2 .

It is an emirp because it is prime and its reverse (770966688289153) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 351982886669077 - 2³ = 351982886669069 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 351982886668985 and 351982886669003.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (351982886169077) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 175991443334538 + 175991443334539.

It is an arithmetic number, because the mean of its divisors is an integer number (175991443334539).

Almost surely, 2^{351982886669077} is an apocalyptic number.

It is an amenable number.

351982886669077 is a deficient number, since it is larger than the sum of its proper divisors (1).

351982886669077 is an equidigital number, since it uses as much as digits as its factorization.

351982886669077 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13168189440, while the sum is 85.

The spelling of 351982886669077 in words is "three hundred fifty-one trillion, nine hundred eighty-two billion, eight hundred eighty-six million, six hundred sixty-nine thousand, seventy-seven".