799717975 has 18 divisors (see below), whose sum is σ = 1153554144. Its totient is φ = 548377200.

The previous prime is 799717973. The next prime is 799718033. The reversal of 799717975 is 579717997.

It is not a de Polignac number, because 799717975 - 2¹ = 799717973 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (799717973) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 325191 + ... + 327640.

Almost surely, 2^799717975 is an apocalyptic number.

799717975 is a deficient number, since it is larger than the sum of its proper divisors (353836169).

799717975 is a wasteful number, since it uses less digits than its factorization.

799717975 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 652855 (or 652843 counting only the distinct ones).

The product of its digits is 8751645, while the sum is 61.

The square root of 799717975 is about 28279.2852632453. The cubic root of 799717975 is about 928.2086668936.

The spelling of 799717975 in words is "seven hundred ninety-nine million, seven hundred seventeen thousand, nine hundred seventy-five".