7791113 has 4 divisors (see below), whose sum is σ = 8499408. Its totient is φ = 7082820.

The previous prime is 7791109. The next prime is 7791139. The reversal of 7791113 is 3111977.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 3111977 = 11 ⋅282907.

It is a cyclic number.

It is not a de Polignac number, because 7791113 - 2² = 7791109 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (7791313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 354131 + ... + 354152.

It is an arithmetic number, because the mean of its divisors is an integer number (2124852).

Almost surely, 2^7791113 is an apocalyptic number.

It is an amenable number.

7791113 is a deficient number, since it is larger than the sum of its proper divisors (708295).

7791113 is a wasteful number, since it uses less digits than its factorization.

7791113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 708294.

The product of its digits is 1323, while the sum is 29.

The square root of 7791113 is about 2791.2565270860. The cubic root of 7791113 is about 198.2439007064.

The spelling of 7791113 in words is "seven million, seven hundred ninety-one thousand, one hundred thirteen".