109797720 has 32 divisors (see below), whose sum is σ = 329393520. Its totient is φ = 29279360.

The previous prime is 109797719. The next prime is 109797733. The reversal of 109797720 is 27797901.

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 457371 + ... + 457610.

Almost surely, 2^109797720 is an apocalyptic number.

109797720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

109797720 is an abundant number, since it is smaller than the sum of its proper divisors (219595800).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

109797720 is a wasteful number, since it uses less digits than its factorization.

109797720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 914995 (or 914991 counting only the distinct ones).

The product of its (nonzero) digits is 55566, while the sum is 42.

The square root of 109797720 is about 10478.4407236955. The cubic root of 109797720 is about 478.8481059754.

The spelling of 109797720 in words is "one hundred nine million, seven hundred ninety-seven thousand, seven hundred twenty".