87659339 has 2 divisors, whose sum is σ = 87659340. Its totient is φ = 87659338.

The previous prime is 87659333. The next prime is 87659381. The reversal of 87659339 is 93395678.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 87659339 - 2⁴ = 87659323 is a prime.

It is not a weakly prime, because it can be changed into another prime (87659333) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43829669 + 43829670.

It is an arithmetic number, because the mean of its divisors is an integer number (43829670).

Almost surely, 2^87659339 is an apocalyptic number.

87659339 is a deficient number, since it is larger than the sum of its proper divisors (1).

87659339 is an equidigital number, since it uses as much as digits as its factorization.

87659339 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1224720, while the sum is 50.

The square root of 87659339 is about 9362.6566208529. The cubic root of 87659339 is about 444.2213188612.

The spelling of 87659339 in words is "eighty-seven million, six hundred fifty-nine thousand, three hundred thirty-nine".