107985429 has 6 divisors (see below), whose sum is σ = 155978966. Its totient is φ = 71990280.

The previous prime is 107985421. The next prime is 107985439. The reversal of 107985429 is 924589701.

107985429 is a `hidden beast` number, since 10 + 7 + 98 + 542 + 9 = 666.

It can be written as a sum of positive squares in only one way, i.e., 77845329 + 30140100 = 8823^2 + 5490^2 .

It is not a de Polignac number, because 107985429 - 2³ = 107985421 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (107985421) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5999182 + ... + 5999199.

Almost surely, 2^107985429 is an apocalyptic number.

It is an amenable number.

107985429 is a deficient number, since it is larger than the sum of its proper divisors (47993537).

107985429 is a wasteful number, since it uses less digits than its factorization.

107985429 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11998387 (or 11998384 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 45.

The square root of 107985429 is about 10391.6037742016. The cubic root of 107985429 is about 476.1988979414.

The spelling of 107985429 in words is "one hundred seven million, nine hundred eighty-five thousand, four hundred twenty-nine".