109417797 has 44 divisors (see below), whose sum is σ = 175374540. Its totient is φ = 68024448.

The previous prime is 109417793. The next prime is 109417813. The reversal of 109417797 is 797714901.

It can be written as a sum of positive squares in 2 ways, for example, as 80838081 + 28579716 = 8991^2 + 5346^2 .

It is not a de Polignac number, because 109417797 - 2² = 109417793 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109417793) by changing a digit.

It is a polite number, since it can be written in 43 ways as a sum of consecutive naturals, for example, 1003779 + ... + 1003887.

It is an arithmetic number, because the mean of its divisors is an integer number (3985785).

Almost surely, 2^109417797 is an apocalyptic number.

109417797 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

109417797 is a deficient number, since it is larger than the sum of its proper divisors (65956743).

109417797 is an frugal number, since it uses more digits than its factorization.

109417797 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156 (or 129 counting only the distinct ones).

The product of its (nonzero) digits is 111132, while the sum is 45.

The square root of 109417797 is about 10460.2962195150. The cubic root of 109417797 is about 478.2951629618.

The spelling of 109417797 in words is "one hundred nine million, four hundred seventeen thousand, seven hundred ninety-seven".