7890231113 has 2 divisors, whose sum is σ = 7890231114. Its totient is φ = 7890231112.

The previous prime is 7890231091. The next prime is 7890231119. The reversal of 7890231113 is 3111320987.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7281720889 + 608510224 = 85333^2 + 24668^2 .

It is an emirp because it is prime and its reverse (3111320987) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7890231113 - 2⁸ = 7890230857 is a prime.

It is not a weakly prime, because it can be changed into another prime (7890231119) 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 as a sum of consecutive naturals, namely, 3945115556 + 3945115557.

It is an arithmetic number, because the mean of its divisors is an integer number (3945115557).

Almost surely, 2^7890231113 is an apocalyptic number.

It is an amenable number.

7890231113 is a deficient number, since it is larger than the sum of its proper divisors (1).

7890231113 is an equidigital number, since it uses as much as digits as its factorization.

7890231113 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9072, while the sum is 35.

The square root of 7890231113 is about 88826.9728911213. The cubic root of 7890231113 is about 1990.8104333526.

The spelling of 7890231113 in words is "seven billion, eight hundred ninety million, two hundred thirty-one thousand, one hundred thirteen".