676311847381 has 2 divisors, whose sum is σ = 676311847382. Its totient is φ = 676311847380.

The previous prime is 676311847357. The next prime is 676311847447. The reversal of 676311847381 is 183748113676.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 658605287025 + 17706560356 = 811545^2 + 133066^2 .

It is a cyclic number.

It is not a de Polignac number, because 676311847381 - 2⁹ = 676311846869 is a prime.

It is a super-2 number, since 2×676311847381² (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 (676311347381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 338155923690 + 338155923691.

It is an arithmetic number, because the mean of its divisors is an integer number (338155923691).

Almost surely, 2^676311847381 is an apocalyptic number.

It is an amenable number.

676311847381 is a deficient number, since it is larger than the sum of its proper divisors (1).

676311847381 is an equidigital number, since it uses as much as digits as its factorization.

676311847381 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4064256, while the sum is 55.

The spelling of 676311847381 in words is "six hundred seventy-six billion, three hundred eleven million, eight hundred forty-seven thousand, three hundred eighty-one".