870558497659 has 2 divisors, whose sum is σ = 870558497660. Its totient is φ = 870558497658.

The previous prime is 870558497657. The next prime is 870558497713. The reversal of 870558497659 is 956794855078.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 870558497659 - 2¹ = 870558497657 is a prime.

Together with 870558497657, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 870558497591 and 870558497600.

It is not a weakly prime, because it can be changed into another prime (870558497657) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 435279248829 + 435279248830.

It is an arithmetic number, because the mean of its divisors is an integer number (435279248830).

Almost surely, 2^870558497659 is an apocalyptic number.

870558497659 is a deficient number, since it is larger than the sum of its proper divisors (1).

870558497659 is an equidigital number, since it uses as much as digits as its factorization.

870558497659 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 762048000, while the sum is 73.

The spelling of 870558497659 in words is "eight hundred seventy billion, five hundred fifty-eight million, four hundred ninety-seven thousand, six hundred fifty-nine".