676486477 has 2 divisors, whose sum is σ = 676486478. Its totient is φ = 676486476.

The previous prime is 676486453. The next prime is 676486483. The reversal of 676486477 is 774684676.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 435181321 + 241305156 = 20861^2 + 15534^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-676486477 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (676486177) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 338243238 + 338243239.

It is an arithmetic number, because the mean of its divisors is an integer number (338243239).

Almost surely, 2^676486477 is an apocalyptic number.

It is an amenable number.

676486477 is a deficient number, since it is larger than the sum of its proper divisors (1).

676486477 is an equidigital number, since it uses as much as digits as its factorization.

676486477 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9483264, while the sum is 55.

The square root of 676486477 is about 26009.3536444103. The cubic root of 676486477 is about 877.8487730817.

The spelling of 676486477 in words is "six hundred seventy-six million, four hundred eighty-six thousand, four hundred seventy-seven".