87330643 has 2 divisors, whose sum is σ = 87330644. Its totient is φ = 87330642.

The previous prime is 87330623. The next prime is 87330799. The reversal of 87330643 is 34603378.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 87330643 - 2⁵ = 87330611 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 87330599 and 87330608.

It is not a weakly prime, because it can be changed into another prime (87330623) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43665321 + 43665322.

It is an arithmetic number, because the mean of its divisors is an integer number (43665322).

Almost surely, 2^87330643 is an apocalyptic number.

87330643 is a deficient number, since it is larger than the sum of its proper divisors (1).

87330643 is an equidigital number, since it uses as much as digits as its factorization.

87330643 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36288, while the sum is 34.

The square root of 87330643 is about 9345.0865699575. The cubic root of 87330643 is about 443.6653915791.

The spelling of 87330643 in words is "eighty-seven million, three hundred thirty thousand, six hundred forty-three".