117846643 has 2 divisors, whose sum is σ = 117846644. Its totient is φ = 117846642.

The previous prime is 117846583. The next prime is 117846647. The reversal of 117846643 is 346648711.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 117846643 - 2¹⁷ = 117715571 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 117846596 and 117846605.

It is not a weakly prime, because it can be changed into another prime (117846647) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58923321 + 58923322.

It is an arithmetic number, because the mean of its divisors is an integer number (58923322).

Almost surely, 2^117846643 is an apocalyptic number.

117846643 is a deficient number, since it is larger than the sum of its proper divisors (1).

117846643 is an equidigital number, since it uses as much as digits as its factorization.

117846643 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 96768, while the sum is 40.

The square root of 117846643 is about 10855.7193681488. The cubic root of 117846643 is about 490.2742363282.

The spelling of 117846643 in words is "one hundred seventeen million, eight hundred forty-six thousand, six hundred forty-three".