87059647 has 2 divisors, whose sum is σ = 87059648. Its totient is φ = 87059646.

The previous prime is 87059641. The next prime is 87059671. The reversal of 87059647 is 74695078.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 87059647 - 2³ = 87059639 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 87059597 and 87059606.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (87059641) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43529823 + 43529824.

It is an arithmetic number, because the mean of its divisors is an integer number (43529824).

Almost surely, 2^87059647 is an apocalyptic number.

87059647 is a deficient number, since it is larger than the sum of its proper divisors (1).

87059647 is an equidigital number, since it uses as much as digits as its factorization.

87059647 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 423360, while the sum is 46.

The square root of 87059647 is about 9330.5759200598. The cubic root of 87059647 is about 443.2060029049.

The spelling of 87059647 in words is "eighty-seven million, fifty-nine thousand, six hundred forty-seven".