78795218 has 8 divisors (see below), whose sum is σ = 120707712. Its totient is φ = 38559316.

The previous prime is 78795209. The next prime is 78795229. The reversal of 78795218 is 81259787.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Harshad number since it is a multiple of its sum of digits (47).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 419030 + ... + 419217.

It is an arithmetic number, because the mean of its divisors is an integer number (15088464).

Almost surely, 2^78795218 is an apocalyptic number.

78795218 is a deficient number, since it is larger than the sum of its proper divisors (41912494).

78795218 is a wasteful number, since it uses less digits than its factorization.

78795218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 838296.

The product of its digits is 282240, while the sum is 47.

The square root of 78795218 is about 8876.6670547002. The cubic root of 78795218 is about 428.7129679275.

The spelling of 78795218 in words is "seventy-eight million, seven hundred ninety-five thousand, two hundred eighteen".