793647985 has 8 divisors (see below), whose sum is σ = 1025637480. Its totient is φ = 586078464.

The previous prime is 793647979. The next prime is 793647991. The reversal of 793647985 is 589746397.

It is an interprime number because it is at equal distance from previous prime (793647979) and next prime (793647991).

It can be written as a sum of positive squares in 4 ways, for example, as 21752896 + 771895089 = 4664^2 + 27783^2 .

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 793647985 - 2¹⁵ = 793615217 is a prime.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 6104920 + ... + 6105049.

It is an arithmetic number, because the mean of its divisors is an integer number (128204685).

Almost surely, 2^793647985 is an apocalyptic number.

It is an amenable number.

793647985 is a deficient number, since it is larger than the sum of its proper divisors (231989495).

793647985 is a wasteful number, since it uses less digits than its factorization.

793647985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12209987.

The product of its digits is 11430720, while the sum is 58.

The square root of 793647985 is about 28171.7586422999. The cubic root of 793647985 is about 925.8542816419.

The spelling of 793647985 in words is "seven hundred ninety-three million, six hundred forty-seven thousand, nine hundred eighty-five".