699080669 has 8 divisors (see below), whose sum is σ = 800701248. Its totient is φ = 597898080.

The previous prime is 699080633. The next prime is 699080677. The reversal of 699080669 is 966080996.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 699080669 - 2¹⁶ = 699015133 is a prime.

It is a super-2 number, since 2×699080669² = 977427563538975122, which contains 22 as substring.

699080669 is a strobogrammatic number because it is the same when read upside-down.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 699080669.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (699080609) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 106067 + ... + 112464.

It is an arithmetic number, because the mean of its divisors is an integer number (100087656).

Almost surely, 2^699080669 is an apocalyptic number.

It is an amenable number.

699080669 is a deficient number, since it is larger than the sum of its proper divisors (101620579).

699080669 is a wasteful number, since it uses less digits than its factorization.

699080669 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 218995.

The product of its (nonzero) digits is 1259712, while the sum is 53.

The square root of 699080669 is about 26440.1336796923. The cubic root of 699080669 is about 887.5151277987.

The spelling of 699080669 in words is "six hundred ninety-nine million, eighty thousand, six hundred sixty-nine".