875666993 has 8 divisors (see below), whose sum is σ = 881712480. Its totient is φ = 869641920.

The previous prime is 875666983. The next prime is 875666999. The reversal of 875666993 is 399666578.

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

It is a cyclic number.

It is not a de Polignac number, because 875666993 - 2⁶ = 875666929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (875666999) 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, 86546 + ... + 96132.

It is an arithmetic number, because the mean of its divisors is an integer number (110214060).

Almost surely, 2^875666993 is an apocalyptic number.

It is an amenable number.

875666993 is a deficient number, since it is larger than the sum of its proper divisors (6045487).

875666993 is a wasteful number, since it uses less digits than its factorization.

875666993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10207.

The product of its digits is 14696640, while the sum is 59.

The square root of 875666993 is about 29591.6710072277. The cubic root of 875666993 is about 956.7085604616.

The spelling of 875666993 in words is "eight hundred seventy-five million, six hundred sixty-six thousand, nine hundred ninety-three".