7991673933 has 8 divisors (see below), whose sum is σ = 10668547296. Its totient is φ = 5321291600.

The previous prime is 7991673857. The next prime is 7991673947. The reversal of 7991673933 is 3393761997.

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 7991673933 - 2²¹ = 7989576781 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7991673983) 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 7 ways as a sum of consecutive naturals, for example, 1619883 + ... + 1624808.

It is an arithmetic number, because the mean of its divisors is an integer number (1333568412).

Almost surely, 2^7991673933 is an apocalyptic number.

It is an amenable number.

7991673933 is a deficient number, since it is larger than the sum of its proper divisors (2676873363).

7991673933 is a wasteful number, since it uses less digits than its factorization.

7991673933 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3245515.

The product of its digits is 5786802, while the sum is 57.

The square root of 7991673933 is about 89396.1628538943. The cubic root of 7991673933 is about 1999.3059202378.

The spelling of 7991673933 in words is "seven billion, nine hundred ninety-one million, six hundred seventy-three thousand, nine hundred thirty-three".