105987902108 has 24 divisors (see below), whose sum is σ = 204778385280. Its totient is φ = 47595879920.

The previous prime is 105987902107. The next prime is 105987902123. The reversal of 105987902108 is 801209789501.

It is a super-2 number, since 2×105987902108² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105987902101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14507288 + ... + 14514591.

It is an arithmetic number, because the mean of its divisors is an integer number (8532432720).

Almost surely, 2^105987902108 is an apocalyptic number.

It is an amenable number.

105987902108 is a deficient number, since it is larger than the sum of its proper divisors (98790483172).

105987902108 is a wasteful number, since it uses less digits than its factorization.

105987902108 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29021977 (or 29021975 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 50.

The spelling of 105987902108 in words is "one hundred five billion, nine hundred eighty-seven million, nine hundred two thousand, one hundred eight".