106805177 has 4 divisors (see below), whose sum is σ = 107862756. Its totient is φ = 105747600.

The previous prime is 106805143. The next prime is 106805189. The reversal of 106805177 is 771508601.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 771508601 = 619 ⋅1246379.

It can be written as a sum of positive squares in 2 ways, for example, as 85451536 + 21353641 = 9244^2 + 4621^2 .

It is a cyclic number.

It is not a de Polignac number, because 106805177 - 2¹⁰ = 106804153 is a prime.

It is a super-2 number, since 2×106805177² = 22814691668002658, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (106805117) 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, 528638 + ... + 528839.

It is an arithmetic number, because the mean of its divisors is an integer number (26965689).

Almost surely, 2^106805177 is an apocalyptic number.

It is an amenable number.

106805177 is a deficient number, since it is larger than the sum of its proper divisors (1057579).

106805177 is a wasteful number, since it uses less digits than its factorization.

106805177 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1057578.

The product of its (nonzero) digits is 11760, while the sum is 35.

The square root of 106805177 is about 10334.6590171132. The cubic root of 106805177 is about 474.4576295082.

The spelling of 106805177 in words is "one hundred six million, eight hundred five thousand, one hundred seventy-seven".