105868587 has 12 divisors (see below), whose sum is σ = 155157800. Its totient is φ = 64162560.

The previous prime is 105868573. The next prime is 105868603. The reversal of 105868587 is 785868501.

It is not a de Polignac number, because 105868587 - 2⁷ = 105868459 is a prime.

It is a super-2 number, since 2×105868587² = 22416315426753138, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (105868787) 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, 145462 + ... + 146187.

Almost surely, 2^105868587 is an apocalyptic number.

105868587 is a deficient number, since it is larger than the sum of its proper divisors (49289213).

105868587 is a wasteful number, since it uses less digits than its factorization.

105868587 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 291674 (or 291663 counting only the distinct ones).

The product of its (nonzero) digits is 537600, while the sum is 48.

The square root of 105868587 is about 10289.2461823012. The cubic root of 105868587 is about 473.0666933179.

The spelling of 105868587 in words is "one hundred five million, eight hundred sixty-eight thousand, five hundred eighty-seven".