78104936 has 64 divisors (see below), whose sum is σ = 190874880. Its totient is φ = 29076480.

The previous prime is 78104927. The next prime is 78104969. The reversal of 78104936 is 63940187.

It is a super-2 number, since 2×78104936² = 12200762055128192, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 78104936.

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 15 ways as a sum of consecutive naturals, for example, 9221 + ... + 15531.

It is an arithmetic number, because the mean of its divisors is an integer number (2982420).

Almost surely, 2^78104936 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 78104936, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (95437440).

78104936 is an abundant number, since it is smaller than the sum of its proper divisors (112769944).

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

78104936 is a wasteful number, since it uses less digits than its factorization.

78104936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6354 (or 6350 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 38.

The square root of 78104936 is about 8837.6997007140. The cubic root of 78104936 is about 427.4573873146.

The spelling of 78104936 in words is "seventy-eight million, one hundred four thousand, nine hundred thirty-six".