7087859 has 4 divisors (see below), whose sum is σ = 7187760. Its totient is φ = 6987960.

The previous prime is 7087853. The next prime is 7087867. The reversal of 7087859 is 9587807.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9587807 = 709 ⋅13523.

It is a cyclic number.

It is not a de Polignac number, because 7087859 - 2⁸ = 7087603 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7087853) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 49844 + ... + 49985.

It is an arithmetic number, because the mean of its divisors is an integer number (1796940).

Almost surely, 2^7087859 is an apocalyptic number.

7087859 is a deficient number, since it is larger than the sum of its proper divisors (99901).

7087859 is an equidigital number, since it uses as much as digits as its factorization.

7087859 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99900.

The product of its (nonzero) digits is 141120, while the sum is 44.

The square root of 7087859 is about 2662.3033260694. The cubic root of 7087859 is about 192.0901179238.

The spelling of 7087859 in words is "seven million, eighty-seven thousand, eight hundred fifty-nine".