78791852 has 12 divisors (see below), whose sum is σ = 137962440. Its totient is φ = 39374016.

The previous prime is 78791837. The next prime is 78791887. The reversal of 78791852 is 25819787.

It is a junction number, because it is equal to n+sod(n) for n = 78791797 and 78791806.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4724 + ... + 13412.

It is an arithmetic number, because the mean of its divisors is an integer number (11496870).

Almost surely, 2^78791852 is an apocalyptic number.

It is an amenable number.

78791852 is a deficient number, since it is larger than the sum of its proper divisors (59170588).

78791852 is a wasteful number, since it uses less digits than its factorization.

78791852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10960 (or 10958 counting only the distinct ones).

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

The square root of 78791852 is about 8876.4774544861. The cubic root of 78791852 is about 428.7068632068.

The spelling of 78791852 in words is "seventy-eight million, seven hundred ninety-one thousand, eight hundred fifty-two".