108739387 has 2 divisors, whose sum is σ = 108739388. Its totient is φ = 108739386.

The previous prime is 108739369. The next prime is 108739409. The reversal of 108739387 is 783937801.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 108739387 - 2¹⁹ = 108215099 is a prime.

It is not a weakly prime, because it can be changed into another prime (108739087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54369693 + 54369694.

It is an arithmetic number, because the mean of its divisors is an integer number (54369694).

Almost surely, 2^108739387 is an apocalyptic number.

108739387 is a deficient number, since it is larger than the sum of its proper divisors (1).

108739387 is an equidigital number, since it uses as much as digits as its factorization.

108739387 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 254016, while the sum is 46.

The square root of 108739387 is about 10427.8179404898. The cubic root of 108739387 is about 477.3046076108.

The spelling of 108739387 in words is "one hundred eight million, seven hundred thirty-nine thousand, three hundred eighty-seven".