106779647 has 4 divisors (see below), whose sum is σ = 114993480. Its totient is φ = 98565816.

The previous prime is 106779643. The next prime is 106779649. The reversal of 106779647 is 746977601.

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

It is a cyclic number.

It is not a de Polignac number, because 106779647 - 2² = 106779643 is a prime.

It is a super-3 number, since 3×106779647³ (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (106779641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4106897 + ... + 4106922.

It is an arithmetic number, because the mean of its divisors is an integer number (28748370).

Almost surely, 2^106779647 is an apocalyptic number.

106779647 is a deficient number, since it is larger than the sum of its proper divisors (8213833).

106779647 is an equidigital number, since it uses as much as digits as its factorization.

106779647 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8213832.

The product of its (nonzero) digits is 444528, while the sum is 47.

The square root of 106779647 is about 10333.4237791741. The cubic root of 106779647 is about 474.4198227624.

The spelling of 106779647 in words is "one hundred six million, seven hundred seventy-nine thousand, six hundred forty-seven".