699895585 has 4 divisors (see below), whose sum is σ = 839874708. Its totient is φ = 559916464.

The previous prime is 699895577. The next prime is 699895597. The reversal of 699895585 is 585598996.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 90003169 + 609892416 = 9487^2 + 24696^2 .

It is a cyclic number.

It is not a de Polignac number, because 699895585 - 2³ = 699895577 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 69989554 + ... + 69989563.

It is an arithmetic number, because the mean of its divisors is an integer number (209968677).

Almost surely, 2^699895585 is an apocalyptic number.

It is an amenable number.

699895585 is a deficient number, since it is larger than the sum of its proper divisors (139979123).

699895585 is a wasteful number, since it uses less digits than its factorization.

699895585 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139979122.

The product of its digits is 34992000, while the sum is 64.

The square root of 699895585 is about 26455.5397790330. The cubic root of 699895585 is about 887.8598516919.

The spelling of 699895585 in words is "six hundred ninety-nine million, eight hundred ninety-five thousand, five hundred eighty-five".