108842947 has 2 divisors, whose sum is σ = 108842948. Its totient is φ = 108842946.

The previous prime is 108842941. The next prime is 108842957. The reversal of 108842947 is 749248801.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 108842947 - 2⁷ = 108842819 is a prime.

It is a super-2 number, since 2×108842947² = 23693574223289618, which contains 22 as substring.

It is a zygodrome in base 2.

It is not a weakly prime, because it can be changed into another prime (108842941) 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 as a sum of consecutive naturals, namely, 54421473 + 54421474.

It is an arithmetic number, because the mean of its divisors is an integer number (54421474).

Almost surely, 2^108842947 is an apocalyptic number.

108842947 is a deficient number, since it is larger than the sum of its proper divisors (1).

108842947 is an equidigital number, since it uses as much as digits as its factorization.

108842947 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 129024, while the sum is 43.

The square root of 108842947 is about 10432.7823230431. The cubic root of 108842947 is about 477.4560828738.

It can be divided in two parts, 10884 and 2947, that added together give a palindrome (13831).

The spelling of 108842947 in words is "one hundred eight million, eight hundred forty-two thousand, nine hundred forty-seven".