106906878 has 48 divisors (see below), whose sum is σ = 258703536. Its totient is φ = 32892480.

The previous prime is 106906861. The next prime is 106906913. The reversal of 106906878 is 878609601.

It is a happy number.

It is a super-2 number, since 2×106906878² = 22858161127413768, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2143 + ... + 14778.

It is an arithmetic number, because the mean of its divisors is an integer number (5389657).

Almost surely, 2^106906878 is an apocalyptic number.

106906878 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

106906878 is an abundant number, since it is smaller than the sum of its proper divisors (151796658).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

106906878 is a wasteful number, since it uses less digits than its factorization.

106906878 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16951 (or 16939 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 45.

The square root of 106906878 is about 10339.5782312433. The cubic root of 106906878 is about 474.6081762302.

The spelling of 106906878 in words is "one hundred six million, nine hundred six thousand, eight hundred seventy-eight".