78182106 has 16 divisors (see below), whose sum is σ = 163162944. Its totient is φ = 24927584.

The previous prime is 78182081. The next prime is 78182119. The reversal of 78182106 is 60128187.

It is a happy number.

It is a super-2 number, since 2×78182106² = 12224883397190472, which contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 283131 + ... + 283406.

It is an arithmetic number, because the mean of its divisors is an integer number (10197684).

Almost surely, 2^78182106 is an apocalyptic number.

78182106 is an abundant number, since it is smaller than the sum of its proper divisors (84980838).

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

78182106 is a wasteful number, since it uses less digits than its factorization.

78182106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 566565.

The product of its (nonzero) digits is 5376, while the sum is 33.

The square root of 78182106 is about 8842.0645779139. The cubic root of 78182106 is about 427.5981211795.

The spelling of 78182106 in words is "seventy-eight million, one hundred eighty-two thousand, one hundred six".