938775668 has 12 divisors (see below), whose sum is σ = 1670702880. Its totient is φ = 461431992.

The previous prime is 938775667. The next prime is 938775671. The reversal of 938775668 is 866577839.

It is a hoax number, since the sum of its digits (59) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (59).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (938775661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1988696 + ... + 1989167.

It is an arithmetic number, because the mean of its divisors is an integer number (139225240).

Almost surely, 2^938775668 is an apocalyptic number.

It is an amenable number.

938775668 is a deficient number, since it is larger than the sum of its proper divisors (731927212).

938775668 is a wasteful number, since it uses less digits than its factorization.

938775668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3977926 (or 3977924 counting only the distinct ones).

The product of its digits is 15240960, while the sum is 59.

The square root of 938775668 is about 30639.4462743699. The cubic root of 938775668 is about 979.1606265517.

The spelling of 938775668 in words is "nine hundred thirty-eight million, seven hundred seventy-five thousand, six hundred sixty-eight".