876451613 has 2 divisors, whose sum is σ = 876451614. Its totient is φ = 876451612.

The previous prime is 876451607. The next prime is 876451633. The reversal of 876451613 is 316154678.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 871312324 + 5139289 = 29518^2 + 2267^2 .

It is a cyclic number.

It is not a de Polignac number, because 876451613 - 2²⁰ = 875403037 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (876451633) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 438225806 + 438225807.

It is an arithmetic number, because the mean of its divisors is an integer number (438225807).

Almost surely, 2^876451613 is an apocalyptic number.

It is an amenable number.

876451613 is a deficient number, since it is larger than the sum of its proper divisors (1).

876451613 is an equidigital number, since it uses as much as digits as its factorization.

876451613 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 120960, while the sum is 41.

The square root of 876451613 is about 29604.9254854661. The cubic root of 876451613 is about 956.9942202641.

The spelling of 876451613 in words is "eight hundred seventy-six million, four hundred fifty-one thousand, six hundred thirteen".