78382106 has 24 divisors (see below), whose sum is σ = 136043040. Its totient is φ = 33751080.

The previous prime is 78382081. The next prime is 78382151. The reversal of 78382106 is 60128387.

It is a super-2 number, since 2×78382106² = 12287509081990472, which contains 22 as substring.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3926 + ... + 13121.

It is an arithmetic number, because the mean of its divisors is an integer number (5668460).

Almost surely, 2^78382106 is an apocalyptic number.

78382106 is a deficient number, since it is larger than the sum of its proper divisors (57660934).

78382106 is a wasteful number, since it uses less digits than its factorization.

78382106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17090 (or 17079 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 35.

The square root of 78382106 is about 8853.3669301571. The cubic root of 78382106 is about 427.9624279185.

The spelling of 78382106 in words is "seventy-eight million, three hundred eighty-two thousand, one hundred six".