109800797 has 2 divisors, whose sum is σ = 109800798. Its totient is φ = 109800796.

The previous prime is 109800787. The next prime is 109800809. The reversal of 109800797 is 797008901.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 76230361 + 33570436 = 8731^2 + 5794^2 .

It is a cyclic number.

It is not a de Polignac number, because 109800797 - 2¹⁰ = 109799773 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (109800737) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54900398 + 54900399.

It is an arithmetic number, because the mean of its divisors is an integer number (54900399).

Almost surely, 2^109800797 is an apocalyptic number.

It is an amenable number.

109800797 is a deficient number, since it is larger than the sum of its proper divisors (1).

109800797 is an equidigital number, since it uses as much as digits as its factorization.

109800797 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 31752, while the sum is 41.

The square root of 109800797 is about 10478.5875479475. The cubic root of 109800797 is about 478.8525790551.

The spelling of 109800797 in words is "one hundred nine million, eight hundred thousand, seven hundred ninety-seven".