106779826 has 16 divisors (see below), whose sum is σ = 165713688. Its totient is φ = 51568000.

The previous prime is 106779821. The next prime is 106779851. The reversal of 106779826 is 628977601.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 95550625 + 11229201 = 9775^2 + 3351^2 .

It is a super-2 number, since 2×106779826² = 22803862481180552, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (106779821) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1836 + ... + 14728.

Almost surely, 2^106779826 is an apocalyptic number.

106779826 is a deficient number, since it is larger than the sum of its proper divisors (58933862).

106779826 is a wasteful number, since it uses less digits than its factorization.

106779826 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13037.

The product of its (nonzero) digits is 254016, while the sum is 46.

The square root of 106779826 is about 10333.4324403849. The cubic root of 106779826 is about 474.4200878600.

It can be divided in two parts, 10677 and 9826, that added together give a triangular number (20503 = T₂₀₂).

The spelling of 106779826 in words is "one hundred six million, seven hundred seventy-nine thousand, eight hundred twenty-six".