669282755 has 8 divisors (see below), whose sum is σ = 803328624. Its totient is φ = 535300000.

The previous prime is 669282749. The next prime is 669282769. The reversal of 669282755 is 557282966.

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

It is not a de Polignac number, because 669282755 - 2⁴ = 669282739 is a prime.

It is a super-2 number, since 2×669282755² = 895878812280780050, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12005 + ... + 38505.

It is an arithmetic number, because the mean of its divisors is an integer number (100416078).

Almost surely, 2^669282755 is an apocalyptic number.

669282755 is a deficient number, since it is larger than the sum of its proper divisors (134045869).

669282755 is a wasteful number, since it uses less digits than its factorization.

669282755 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31557.

The product of its digits is 1814400, while the sum is 50.

The square root of 669282755 is about 25870.4997052627. The cubic root of 669282755 is about 874.7216551390.

The spelling of 669282755 in words is "six hundred sixty-nine million, two hundred eighty-two thousand, seven hundred fifty-five".