108779425 has 6 divisors (see below), whose sum is σ = 134886518. Its totient is φ = 87023520.

The previous prime is 108779423. The next prime is 108779431. The reversal of 108779425 is 524977801.

It can be written as a sum of positive squares in 3 ways, for example, as 7656289 + 101123136 = 2767^2 + 10056^2 .

It is not a de Polignac number, because 108779425 - 2¹ = 108779423 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (108779423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2175564 + ... + 2175613.

Almost surely, 2^108779425 is an apocalyptic number.

It is an amenable number.

108779425 is a deficient number, since it is larger than the sum of its proper divisors (26107093).

108779425 is an equidigital number, since it uses as much as digits as its factorization.

108779425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4351187 (or 4351182 counting only the distinct ones).

The product of its (nonzero) digits is 141120, while the sum is 43.

The square root of 108779425 is about 10429.7375326515. The cubic root of 108779425 is about 477.3631818386.

It can be divided in two parts, 10877 and 9425, that added together give a palindrome (20302).

The spelling of 108779425 in words is "one hundred eight million, seven hundred seventy-nine thousand, four hundred twenty-five".