106778613 has 16 divisors (see below), whose sum is σ = 152409600. Its totient is φ = 66294000.

The previous prime is 106778599. The next prime is 106778629. The reversal of 106778613 is 316877601.

It is not a de Polignac number, because 106778613 - 2²⁴ = 90001397 is a prime.

It is a super-3 number, since 3×106778613³ (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (106778653) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12513 + ... + 19238.

It is an arithmetic number, because the mean of its divisors is an integer number (9525600).

Almost surely, 2^106778613 is an apocalyptic number.

It is an amenable number.

106778613 is a deficient number, since it is larger than the sum of its proper divisors (45630987).

106778613 is a wasteful number, since it uses less digits than its factorization.

106778613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31832.

The product of its (nonzero) digits is 42336, while the sum is 39.

The square root of 106778613 is about 10333.3737472328. The cubic root of 106778613 is about 474.4182914104.

The spelling of 106778613 in words is "one hundred six million, seven hundred seventy-eight thousand, six hundred thirteen".