108381877 has 2 divisors, whose sum is σ = 108381878. Its totient is φ = 108381876.

The previous prime is 108381857. The next prime is 108381899. The reversal of 108381877 is 778183801.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 108347281 + 34596 = 10409^2 + 186^2 .

It is an emirp because it is prime and its reverse (778183801) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-108381877 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (108381857) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54190938 + 54190939.

It is an arithmetic number, because the mean of its divisors is an integer number (54190939).

Almost surely, 2^108381877 is an apocalyptic number.

It is an amenable number.

108381877 is a deficient number, since it is larger than the sum of its proper divisors (1).

108381877 is an equidigital number, since it uses as much as digits as its factorization.

108381877 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 75264, while the sum is 43.

The square root of 108381877 is about 10410.6616984705. The cubic root of 108381877 is about 476.7809441776.

The spelling of 108381877 in words is "one hundred eight million, three hundred eighty-one thousand, eight hundred seventy-seven".