669585711 has 8 divisors (see below), whose sum is σ = 905011120. Its totient is φ = 440275392.

The previous prime is 669585701. The next prime is 669585731. The reversal of 669585711 is 117585966.

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

It is not a de Polignac number, because 669585711 - 2¹⁵ = 669552943 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (669585701) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1528516 + ... + 1528953.

It is an arithmetic number, because the mean of its divisors is an integer number (113126390).

Almost surely, 2^669585711 is an apocalyptic number.

669585711 is a deficient number, since it is larger than the sum of its proper divisors (235425409).

669585711 is a wasteful number, since it uses less digits than its factorization.

669585711 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3057545.

The product of its digits is 453600, while the sum is 48.

The square root of 669585711 is about 25876.3542833994. The cubic root of 669585711 is about 874.8536183971.

The spelling of 669585711 in words is "six hundred sixty-nine million, five hundred eighty-five thousand, seven hundred eleven".