105564836087 has 8 divisors (see below), whose sum is σ = 106441216272. Its totient is φ = 104691038400.

The previous prime is 105564836077. The next prime is 105564836101. The reversal of 105564836087 is 780638465501.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 105564836087 - 2¹⁶ = 105564770551 is a prime.

It is a super-2 number, since 2×105564836087² (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 (105564836077) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 563489 + ... + 727082.

It is an arithmetic number, because the mean of its divisors is an integer number (13305152034).

Almost surely, 2^105564836087 is an apocalyptic number.

105564836087 is a deficient number, since it is larger than the sum of its proper divisors (876380185).

105564836087 is a wasteful number, since it uses less digits than its factorization.

105564836087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1291249.

The product of its (nonzero) digits is 4838400, while the sum is 53.

The spelling of 105564836087 in words is "one hundred five billion, five hundred sixty-four million, eight hundred thirty-six thousand, eighty-seven".