108384427 has 2 divisors, whose sum is σ = 108384428. Its totient is φ = 108384426.

The previous prime is 108384391. The next prime is 108384431. The reversal of 108384427 is 724483801.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-108384427 is a prime.

It is a super-2 number, since 2×108384427² = 23494368032236658, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (108384457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54192213 + 54192214.

It is an arithmetic number, because the mean of its divisors is an integer number (54192214).

Almost surely, 2^108384427 is an apocalyptic number.

108384427 is a deficient number, since it is larger than the sum of its proper divisors (1).

108384427 is an equidigital number, since it uses as much as digits as its factorization.

108384427 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 43008, while the sum is 37.

The square root of 108384427 is about 10410.7841683516. The cubic root of 108384427 is about 476.7846833693.

It can be divided in two parts, 108384 and 427, that added together give a triangular number (108811 = T₄₆₆).

The spelling of 108384427 in words is "one hundred eight million, three hundred eighty-four thousand, four hundred twenty-seven".