78445106 has 32 divisors (see below), whose sum is σ = 129226752. Its totient is φ = 35562240.

The previous prime is 78445093. The next prime is 78445117. The reversal of 78445106 is 60154487.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 159521 + ... + 160011.

It is an arithmetic number, because the mean of its divisors is an integer number (4038336).

Almost surely, 2^78445106 is an apocalyptic number.

78445106 is a deficient number, since it is larger than the sum of its proper divisors (50781646).

78445106 is a wasteful number, since it uses less digits than its factorization.

78445106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 674.

The product of its (nonzero) digits is 26880, while the sum is 35.

The square root of 78445106 is about 8856.9241839365. The cubic root of 78445106 is about 428.0770561759.

The spelling of 78445106 in words is "seventy-eight million, four hundred forty-five thousand, one hundred six".