105388833087 has 12 divisors (see below), whose sum is σ = 157138905664. Its totient is φ = 67992795360.

The previous prime is 105388833083. The next prime is 105388833101. The reversal of 105388833087 is 780338883501.

105388833087 is a `hidden beast` number, since 105 + 388 + 83 + 3 + 0 + 87 = 666.

It is not a de Polignac number, because 105388833087 - 2² = 105388833083 is a prime.

It is a super-2 number, since 2×105388833087² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105388833083) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 188868598 + ... + 188869155.

Almost surely, 2^105388833087 is an apocalyptic number.

105388833087 is a deficient number, since it is larger than the sum of its proper divisors (51750072577).

105388833087 is a wasteful number, since it uses less digits than its factorization.

105388833087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 377737790 (or 377737787 counting only the distinct ones).

The product of its (nonzero) digits is 3870720, while the sum is 54.

The spelling of 105388833087 in words is "one hundred five billion, three hundred eighty-eight million, eight hundred thirty-three thousand, eighty-seven".