669059275 has 12 divisors (see below), whose sum is σ = 829963000. Its totient is φ = 535034880.

The previous prime is 669059273. The next prime is 669059299. The reversal of 669059275 is 572950966.

It is not a de Polignac number, because 669059275 - 2¹ = 669059273 is a prime.

It is a hoax number, since the sum of its digits (49) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (669059273) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 99211 + ... + 105739.

Almost surely, 2^669059275 is an apocalyptic number.

669059275 is a deficient number, since it is larger than the sum of its proper divisors (160903725).

669059275 is a wasteful number, since it uses less digits than its factorization.

669059275 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10638 (or 10633 counting only the distinct ones).

The product of its (nonzero) digits is 1020600, while the sum is 49.

The square root of 669059275 is about 25866.1801393248. The cubic root of 669059275 is about 874.6242849538.

The spelling of 669059275 in words is "six hundred sixty-nine million, fifty-nine thousand, two hundred seventy-five".