106579646426885 has 4 divisors (see below), whose sum is σ = 127895575712268. Its totient is φ = 85263717141504.

The previous prime is 106579646426873. The next prime is 106579646426941. The reversal of 106579646426885 is 588624646975601.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 39118244873764 + 67461401553121 = 6254458^2 + 8213489^2 .

It is a cyclic number.

It is not a de Polignac number, because 106579646426885 - 2¹⁸ = 106579646164741 is a prime.

It is a super-2 number, since 2×106579646426885² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10657964642684 + ... + 10657964642693.

It is an arithmetic number, because the mean of its divisors is an integer number (31973893928067).

Almost surely, 2^{106579646426885} is an apocalyptic number.

It is an amenable number.

106579646426885 is a deficient number, since it is larger than the sum of its proper divisors (21315929285383).

106579646426885 is an equidigital number, since it uses as much as digits as its factorization.

106579646426885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21315929285382.

The product of its (nonzero) digits is 4180377600, while the sum is 77.

The spelling of 106579646426885 in words is "one hundred six trillion, five hundred seventy-nine billion, six hundred forty-six million, four hundred twenty-six thousand, eight hundred eighty-five".