78446106 has 24 divisors (see below), whose sum is σ = 170236404. Its totient is φ = 26107200.

The previous prime is 78446083. The next prime is 78446107. The reversal of 78446106 is 60164487.

It can be written as a sum of positive squares in 2 ways, for example, as 70408881 + 8037225 = 8391^2 + 2835^2 .

It is not an unprimeable number, because it can be changed into a prime (78446107) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9510 + ... + 15726.

Almost surely, 2^78446106 is an apocalyptic number.

78446106 is an abundant number, since it is smaller than the sum of its proper divisors (91790298).

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

78446106 is a wasteful number, since it uses less digits than its factorization.

78446106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6926 (or 6923 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 36.

The square root of 78446106 is about 8856.9806367633. The cubic root of 78446106 is about 428.0788751772.

The spelling of 78446106 in words is "seventy-eight million, four hundred forty-six thousand, one hundred six".