78858068 has 12 divisors (see below), whose sum is σ = 138829152. Its totient is φ = 39192600.

The previous prime is 78858049. The next prime is 78858077. The reversal of 78858068 is 86085887.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 58358 + ... + 59693.

It is an arithmetic number, because the mean of its divisors is an integer number (11569096).

Almost surely, 2^78858068 is an apocalyptic number.

It is an amenable number.

78858068 is a deficient number, since it is larger than the sum of its proper divisors (59971084).

78858068 is a wasteful number, since it uses less digits than its factorization.

78858068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118222 (or 118220 counting only the distinct ones).

The product of its (nonzero) digits is 860160, while the sum is 50.

The square root of 78858068 is about 8880.2065291298. The cubic root of 78858068 is about 428.8269234436.

The spelling of 78858068 in words is "seventy-eight million, eight hundred fifty-eight thousand, sixty-eight".