106966778 has 8 divisors (see below), whose sum is σ = 164786772. Its totient is φ = 52037856.

The previous prime is 106966763. The next prime is 106966781. The reversal of 106966778 is 877669601.

It can be written as a sum of positive squares in 2 ways, for example, as 93180409 + 13786369 = 9653^2 + 3713^2 .

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

It is a super-2 number, since 2×106966778² = 22883783191402568, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 722675 + ... + 722822.

Almost surely, 2^106966778 is an apocalyptic number.

106966778 is a deficient number, since it is larger than the sum of its proper divisors (57819994).

106966778 is a wasteful number, since it uses less digits than its factorization.

106966778 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1445536.

The product of its (nonzero) digits is 762048, while the sum is 50.

The square root of 106966778 is about 10342.4744621391. The cubic root of 106966778 is about 474.6968007800.

The spelling of 106966778 in words is "one hundred six million, nine hundred sixty-six thousand, seven hundred seventy-eight".