108805851 has 24 divisors (see below), whose sum is σ = 195945984. Its totient is φ = 56522160.

The previous prime is 108805819. The next prime is 108805891. The reversal of 108805851 is 158508801.

It is not a de Polignac number, because 108805851 - 2⁵ = 108805819 is a prime.

It is not an unprimeable number, because it can be changed into a prime (108805891) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 77811 + ... + 79196.

It is an arithmetic number, because the mean of its divisors is an integer number (8164416).

Almost surely, 2^108805851 is an apocalyptic number.

108805851 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

108805851 is a deficient number, since it is larger than the sum of its proper divisors (87140133).

108805851 is a wasteful number, since it uses less digits than its factorization.

108805851 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157031 (or 157028 counting only the distinct ones).

The product of its (nonzero) digits is 12800, while the sum is 36.

The square root of 108805851 is about 10431.0043140630. The cubic root of 108805851 is about 477.4018343016.

The spelling of 108805851 in words is "one hundred eight million, eight hundred five thousand, eight hundred fifty-one".