676779533 has 2 divisors, whose sum is σ = 676779534. Its totient is φ = 676779532.

The previous prime is 676779527. The next prime is 676779541. The reversal of 676779533 is 335977676.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 449312809 + 227466724 = 21197^2 + 15082^2 .

It is a cyclic number.

It is not a de Polignac number, because 676779533 - 2¹⁶ = 676713997 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (676779133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 338389766 + 338389767.

It is an arithmetic number, because the mean of its divisors is an integer number (338389767).

Almost surely, 2^676779533 is an apocalyptic number.

It is an amenable number.

676779533 is a deficient number, since it is larger than the sum of its proper divisors (1).

676779533 is an equidigital number, since it uses as much as digits as its factorization.

676779533 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5000940, while the sum is 53.

The square root of 676779533 is about 26014.9866999774. The cubic root of 676779533 is about 877.9755170346.

The spelling of 676779533 in words is "six hundred seventy-six million, seven hundred seventy-nine thousand, five hundred thirty-three".