105987248986 has 8 divisors (see below), whose sum is σ = 168332689620. Its totient is φ = 49876352448.

The previous prime is 105987248977. The next prime is 105987248987. The reversal of 105987248986 is 689842789501.

It can be written as a sum of positive squares in 2 ways, for example, as 105604850961 + 382398025 = 324969^2 + 19555^2 .

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

It is a super-3 number, since 3×105987248986³ (a number of 34 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (105987248987) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1558635981 + ... + 1558636048.

Almost surely, 2^105987248986 is an apocalyptic number.

105987248986 is a deficient number, since it is larger than the sum of its proper divisors (62345440634).

105987248986 is a wasteful number, since it uses less digits than its factorization.

105987248986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3117272048.

The product of its (nonzero) digits is 69672960, while the sum is 67.

The spelling of 105987248986 in words is "one hundred five billion, nine hundred eighty-seven million, two hundred forty-eight thousand, nine hundred eighty-six".