87206659 has 2 divisors, whose sum is σ = 87206660. Its totient is φ = 87206658.

The previous prime is 87206657. The next prime is 87206671. The reversal of 87206659 is 95660278.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 87206659 - 2¹ = 87206657 is a prime.

Together with 87206657, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (87206657) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43603329 + 43603330.

It is an arithmetic number, because the mean of its divisors is an integer number (43603330).

Almost surely, 2^87206659 is an apocalyptic number.

87206659 is a deficient number, since it is larger than the sum of its proper divisors (1).

87206659 is an equidigital number, since it uses as much as digits as its factorization.

87206659 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 181440, while the sum is 43.

The square root of 87206659 is about 9338.4505674121. The cubic root of 87206659 is about 443.4553337267.

The spelling of 87206659 in words is "eighty-seven million, two hundred six thousand, six hundred fifty-nine".