107788989 has 16 divisors (see below), whose sum is σ = 179182080. Its totient is φ = 55994160.

The previous prime is 107788973. The next prime is 107789021. The reversal of 107788989 is 989887701.

It is not a de Polignac number, because 107788989 - 2⁴ = 107788973 is a prime.

It is a super-2 number, since 2×107788989² = 23236932299284242, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (107788949) 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 15 ways as a sum of consecutive naturals, for example, 233079 + ... + 233540.

It is an arithmetic number, because the mean of its divisors is an integer number (11198880).

Almost surely, 2^107788989 is an apocalyptic number.

It is an amenable number.

107788989 is a deficient number, since it is larger than the sum of its proper divisors (71393091).

107788989 is a wasteful number, since it uses less digits than its factorization.

107788989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 466640.

The product of its (nonzero) digits is 2032128, while the sum is 57.

The square root of 107788989 is about 10382.1476102009. The cubic root of 107788989 is about 475.9099660823.

The spelling of 107788989 in words is "one hundred seven million, seven hundred eighty-eight thousand, nine hundred eighty-nine".