109997387 has 2 divisors, whose sum is σ = 109997388. Its totient is φ = 109997386.

The previous prime is 109997359. The next prime is 109997401. The reversal of 109997387 is 783799901.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 109997387 - 2⁸ = 109997131 is a prime.

It is not a weakly prime, because it can be changed into another prime (109997347) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54998693 + 54998694.

It is an arithmetic number, because the mean of its divisors is an integer number (54998694).

Almost surely, 2^109997387 is an apocalyptic number.

109997387 is a deficient number, since it is larger than the sum of its proper divisors (1).

109997387 is an equidigital number, since it uses as much as digits as its factorization.

109997387 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 857304, while the sum is 53.

The square root of 109997387 is about 10487.9639110744. The cubic root of 109997387 is about 479.1381917429.

The spelling of 109997387 in words is "one hundred nine million, nine hundred ninety-seven thousand, three hundred eighty-seven".