87600613 has 2 divisors, whose sum is σ = 87600614. Its totient is φ = 87600612.

The previous prime is 87600599. The next prime is 87600647. The reversal of 87600613 is 31600678.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 59954049 + 27646564 = 7743^2 + 5258^2 .

It is a cyclic number.

It is not a de Polignac number, because 87600613 - 2⁹ = 87600101 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (87600673) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43800306 + 43800307.

It is an arithmetic number, because the mean of its divisors is an integer number (43800307).

Almost surely, 2^87600613 is an apocalyptic number.

It is an amenable number.

87600613 is a deficient number, since it is larger than the sum of its proper divisors (1).

87600613 is an equidigital number, since it uses as much as digits as its factorization.

87600613 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 87600613 is about 9359.5199129015. The cubic root of 87600613 is about 444.1220969976.

The spelling of 87600613 in words is "eighty-seven million, six hundred thousand, six hundred thirteen".