106685553474777 has 4 divisors (see below), whose sum is σ = 142247404633040. Its totient is φ = 71123702316516.

The previous prime is 106685553474767. The next prime is 106685553474817. The reversal of 106685553474777 is 777474355586601.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 106685553474777 - 2²⁷ = 106685419257049 is a prime.

It is a super-2 number, since 2×106685553474777² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 106685553474699 and 106685553474708.

It is not an unprimeable number, because it can be changed into a prime (106685553474767) 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, 17780925579127 + ... + 17780925579132.

It is an arithmetic number, because the mean of its divisors is an integer number (35561851158260).

Almost surely, 2^{106685553474777} is an apocalyptic number.

It is an amenable number.

106685553474777 is a deficient number, since it is larger than the sum of its proper divisors (35561851158263).

106685553474777 is an equidigital number, since it uses as much as digits as its factorization.

106685553474777 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35561851158262.

The product of its (nonzero) digits is 4148928000, while the sum is 75.

The spelling of 106685553474777 in words is "one hundred six trillion, six hundred eighty-five billion, five hundred fifty-three million, four hundred seventy-four thousand, seven hundred seventy-seven".