107809928 has 12 divisors (see below), whose sum is σ = 202198695. Its totient is φ = 53890280.

The previous prime is 107809927. The next prime is 107809931. The reversal of 107809928 is 829908701.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in only one way, i.e., 53904964 + 53904964 = 7342^2 + 7342^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=7342.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (107809927) 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 2 ways as a sum of consecutive naturals, for example, 27533 + ... + 31203.

Almost surely, 2^107809928 is an apocalyptic number.

It is an amenable number.

107809928 is a deficient number, since it is larger than the sum of its proper divisors (94388767).

107809928 is an frugal number, since it uses more digits than its factorization.

107809928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7348 (or 3673 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 44.

The square root of 107809928 is about 10383.1559749433. The cubic root of 107809928 is about 475.9407807128.

The spelling of 107809928 in words is "one hundred seven million, eight hundred nine thousand, nine hundred twenty-eight".