7889113 has 4 divisors (see below), whose sum is σ = 7951360. Its totient is φ = 7826868.

The previous prime is 7889111. The next prime is 7889143. The reversal of 7889113 is 3119887.

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: 3119887 = 83 ⋅37589.

It is a cyclic number.

It is not a de Polignac number, because 7889113 - 2¹ = 7889111 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 (7889111) 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, 30933 + ... + 31186.

It is an arithmetic number, because the mean of its divisors is an integer number (1987840).

Almost surely, 2^7889113 is an apocalyptic number.

It is an amenable number.

7889113 is a deficient number, since it is larger than the sum of its proper divisors (62247).

7889113 is a wasteful number, since it uses less digits than its factorization.

7889113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62246.

The product of its digits is 12096, while the sum is 37.

The square root of 7889113 is about 2808.7564864189. The cubic root of 7889113 is about 199.0716390641.

The spelling of 7889113 in words is "seven million, eight hundred eighty-nine thousand, one hundred thirteen".