109800788 has 24 divisors (see below), whose sum is σ = 197914920. Its totient is φ = 53268480.

The previous prime is 109800787. The next prime is 109800797. The reversal of 109800788 is 887008901.

It can be written as a sum of positive squares in 4 ways, for example, as 11751184 + 98049604 = 3428^2 + 9902^2 .

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109800787) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29918 + ... + 33386.

It is an arithmetic number, because the mean of its divisors is an integer number (8246455).

Almost surely, 2^109800788 is an apocalyptic number.

It is an amenable number.

109800788 is a deficient number, since it is larger than the sum of its proper divisors (88114132).

109800788 is a wasteful number, since it uses less digits than its factorization.

109800788 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3707 (or 3705 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 41.

The square root of 109800788 is about 10478.5871185003. The cubic root of 109800788 is about 478.8525659718.

The spelling of 109800788 in words is "one hundred nine million, eight hundred thousand, seven hundred eighty-eight".