106777705 has 8 divisors (see below), whose sum is σ = 129402504. Its totient is φ = 84576000.

The previous prime is 106777673. The next prime is 106777717. The reversal of 106777705 is 507777601.

It can be written as a sum of positive squares in 4 ways, for example, as 8450649 + 98327056 = 2907^2 + 9916^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 106777705 - 2⁵ = 106777673 is a prime.

It is a super-2 number, since 2×106777705² = 22802956570134050, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 105216 + ... + 106225.

It is an arithmetic number, because the mean of its divisors is an integer number (16175313).

Almost surely, 2^106777705 is an apocalyptic number.

It is an amenable number.

106777705 is a deficient number, since it is larger than the sum of its proper divisors (22624799).

106777705 is a wasteful number, since it uses less digits than its factorization.

106777705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211547.

The product of its (nonzero) digits is 72030, while the sum is 40.

The square root of 106777705 is about 10333.3298118274. The cubic root of 106777705 is about 474.4169466560.

The spelling of 106777705 in words is "one hundred six million, seven hundred seventy-seven thousand, seven hundred five".