105878563 has 6 divisors (see below), whose sum is σ = 123164916. Its totient is φ = 90753012.

The previous prime is 105878561. The next prime is 105878579. The reversal of 105878563 is 365878501.

It is not a de Polignac number, because 105878563 - 2¹ = 105878561 is a prime.

It is a super-2 number, since 2×105878563² = 22420540205889938, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is not an unprimeable number, because it can be changed into a prime (105878561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1080345 + ... + 1080442.

It is an arithmetic number, because the mean of its divisors is an integer number (20527486).

Almost surely, 2^105878563 is an apocalyptic number.

105878563 is a deficient number, since it is larger than the sum of its proper divisors (17286353).

105878563 is an equidigital number, since it uses as much as digits as its factorization.

105878563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2160801 (or 2160794 counting only the distinct ones).

The product of its (nonzero) digits is 201600, while the sum is 43.

The square root of 105878563 is about 10289.7309488635. The cubic root of 105878563 is about 473.0815518806.

The spelling of 105878563 in words is "one hundred five million, eight hundred seventy-eight thousand, five hundred sixty-three".