108787939 has 16 divisors (see below), whose sum is σ = 125959680. Its totient is φ = 93100320.

The previous prime is 108787937. The next prime is 108787951. The reversal of 108787939 is 939787801.

It is a cyclic number.

It is not a de Polignac number, because 108787939 - 2¹ = 108787937 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (108787937) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6924 + ... + 16294.

It is an arithmetic number, because the mean of its divisors is an integer number (7872480).

Almost surely, 2^108787939 is an apocalyptic number.

108787939 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

108787939 is a deficient number, since it is larger than the sum of its proper divisors (17171741).

108787939 is a wasteful number, since it uses less digits than its factorization.

108787939 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9450.

The product of its (nonzero) digits is 762048, while the sum is 52.

The square root of 108787939 is about 10430.1456845051. The cubic root of 108787939 is about 477.3756356769.

The spelling of 108787939 in words is "one hundred eight million, seven hundred eighty-seven thousand, nine hundred thirty-nine".