108780863 has 2 divisors, whose sum is σ = 108780864. Its totient is φ = 108780862.

The previous prime is 108780817. The next prime is 108780883. The reversal of 108780863 is 368087801.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 108780863 - 2⁶ = 108780799 is a prime.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 108780863.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (108780883) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54390431 + 54390432.

It is an arithmetic number, because the mean of its divisors is an integer number (54390432).

Almost surely, 2^108780863 is an apocalyptic number.

108780863 is a deficient number, since it is larger than the sum of its proper divisors (1).

108780863 is an equidigital number, since it uses as much as digits as its factorization.

108780863 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 64512, while the sum is 41.

The square root of 108780863 is about 10429.8064699207. The cubic root of 108780863 is about 477.3652853162.

The spelling of 108780863 in words is "one hundred eight million, seven hundred eighty thousand, eight hundred sixty-three".