109797956 has 12 divisors (see below), whose sum is σ = 192325392. Its totient is φ = 54847848.

The previous prime is 109797953. The next prime is 109797971. The reversal of 109797956 is 659797901.

It is a super-2 number, since 2×109797956² = 24111182283555872, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 109797898 and 109797907.

It is not an unprimeable number, because it can be changed into a prime (109797953) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7730 + ... + 16713.

It is an arithmetic number, because the mean of its divisors is an integer number (16027116).

Almost surely, 2^109797956 is an apocalyptic number.

It is an amenable number.

109797956 is a deficient number, since it is larger than the sum of its proper divisors (82527436).

109797956 is a wasteful number, since it uses less digits than its factorization.

109797956 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25570 (or 25568 counting only the distinct ones).

The product of its (nonzero) digits is 1071630, while the sum is 53.

The square root of 109797956 is about 10478.4519849069. The cubic root of 109797956 is about 478.8484490550.

Subtracting 109797956 from its reverse (659797901), we obtain a palindrome (549999945).

The spelling of 109797956 in words is "one hundred nine million, seven hundred ninety-seven thousand, nine hundred fifty-six".