78836016 has 160 divisors (see below), whose sum is σ = 250698240. Its totient is φ = 20846592.

The previous prime is 78836003. The next prime is 78836027. The reversal of 78836016 is 61063887.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 338236 + ... + 338468.

It is an arithmetic number, because the mean of its divisors is an integer number (1566864).

Almost surely, 2^78836016 is an apocalyptic number.

78836016 is a gapful number since it is divisible by the number (76) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 78836016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (125349120).

78836016 is an abundant number, since it is smaller than the sum of its proper divisors (171862224).

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

78836016 is a wasteful number, since it uses less digits than its factorization.

78836016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 323 (or 317 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 39.

The square root of 78836016 is about 8878.9648045254. The cubic root of 78836016 is about 428.7869470947.

The spelling of 78836016 in words is "seventy-eight million, eight hundred thirty-six thousand, sixteen".