109916797 has 2 divisors, whose sum is σ = 109916798. Its totient is φ = 109916796.

The previous prime is 109916791. The next prime is 109916809. The reversal of 109916797 is 797619901.

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., 82101721 + 27815076 = 9061^2 + 5274^2 .

It is a cyclic number.

It is not a de Polignac number, because 109916797 - 2¹⁵ = 109884029 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 109916797.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (109916791) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54958398 + 54958399.

It is an arithmetic number, because the mean of its divisors is an integer number (54958399).

Almost surely, 2^109916797 is an apocalyptic number.

It is an amenable number.

109916797 is a deficient number, since it is larger than the sum of its proper divisors (1).

109916797 is an equidigital number, since it uses as much as digits as its factorization.

109916797 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 214326, while the sum is 49.

The square root of 109916797 is about 10484.1211839620. The cubic root of 109916797 is about 479.0211490205.

The spelling of 109916797 in words is "one hundred nine million, nine hundred sixteen thousand, seven hundred ninety-seven".