105479687 has 4 divisors (see below), whose sum is σ = 105623160. Its totient is φ = 105336216.

The previous prime is 105479681. The next prime is 105479729. The reversal of 105479687 is 786974501.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 786974501 = 281 ⋅2800621.

It is a cyclic number.

It is not a de Polignac number, because 105479687 - 2¹⁰ = 105478663 is a prime.

It is a super-2 number, since 2×105479687² = 22251928739235938, which 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 (105479681) 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, 70628 + ... + 72105.

It is an arithmetic number, because the mean of its divisors is an integer number (26405790).

Almost surely, 2^105479687 is an apocalyptic number.

105479687 is a deficient number, since it is larger than the sum of its proper divisors (143473).

105479687 is an equidigital number, since it uses as much as digits as its factorization.

105479687 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143472.

The product of its (nonzero) digits is 423360, while the sum is 47.

The square root of 105479687 is about 10270.3304231169. The cubic root of 105479687 is about 472.4867247094.

The spelling of 105479687 in words is "one hundred five million, four hundred seventy-nine thousand, six hundred eighty-seven".