669272588 has 24 divisors (see below), whose sum is σ = 1187936064. Its totient is φ = 329893200.

The previous prime is 669272543. The next prime is 669272599. The reversal of 669272588 is 885272966.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 86603 + ... + 94013.

It is an arithmetic number, because the mean of its divisors is an integer number (49497336).

Almost surely, 2^669272588 is an apocalyptic number.

It is an amenable number.

669272588 is a deficient number, since it is larger than the sum of its proper divisors (518663476).

669272588 is a wasteful number, since it uses less digits than its factorization.

669272588 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7733 (or 7731 counting only the distinct ones).

The product of its digits is 2903040, while the sum is 53.

The square root of 669272588 is about 25870.3032065726. The cubic root of 669272588 is about 874.7172258501.

The spelling of 669272588 in words is "six hundred sixty-nine million, two hundred seventy-two thousand, five hundred eighty-eight".