106815775 has 18 divisors (see below), whose sum is σ = 145591376. Its totient is φ = 77682000.

The previous prime is 106815773. The next prime is 106815809. The reversal of 106815775 is 577518601.

It is not a de Polignac number, because 106815775 - 2¹ = 106815773 is a prime.

It is a super-2 number, since 2×106815775² = 22819219577701250, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (106815773) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 14631 + ... + 20680.

Almost surely, 2^106815775 is an apocalyptic number.

106815775 is a deficient number, since it is larger than the sum of its proper divisors (38775601).

106815775 is a wasteful number, since it uses less digits than its factorization.

106815775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35343 (or 35327 counting only the distinct ones).

The product of its (nonzero) digits is 58800, while the sum is 40.

The square root of 106815775 is about 10335.1717450655. The cubic root of 106815775 is about 474.4733220548.

The spelling of 106815775 in words is "one hundred six million, eight hundred fifteen thousand, seven hundred seventy-five".