105604603887 has 16 divisors (see below), whose sum is σ = 142531405920. Its totient is φ = 69542026752.

The previous prime is 105604603879. The next prime is 105604603889. The reversal of 105604603887 is 788306406501.

It is not a de Polignac number, because 105604603887 - 2³ = 105604603879 is a prime.

It is a super-2 number, since 2×105604603887² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105604603889) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 67843 + ... + 464555.

It is an arithmetic number, because the mean of its divisors is an integer number (8908212870).

Almost surely, 2^105604603887 is an apocalyptic number.

105604603887 is a deficient number, since it is larger than the sum of its proper divisors (36926802033).

105604603887 is an equidigital number, since it uses as much as digits as its factorization.

105604603887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 397802.

The product of its (nonzero) digits is 967680, while the sum is 48.

The spelling of 105604603887 in words is "one hundred five billion, six hundred four million, six hundred three thousand, eight hundred eighty-seven".