78036416 has 28 divisors (see below), whose sum is σ = 156984192. Its totient is φ = 38481408.

The previous prime is 78036391. The next prime is 78036421. The reversal of 78036416 is 61463087.

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, 3680 + ... + 13023.

Almost surely, 2^78036416 is an apocalyptic number.

It is an amenable number.

78036416 is an abundant number, since it is smaller than the sum of its proper divisors (78947776).

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

78036416 is a wasteful number, since it uses less digits than its factorization.

78036416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16788 (or 16778 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 35.

The square root of 78036416 is about 8833.8222757762. The cubic root of 78036416 is about 427.3323506189.

The spelling of 78036416 in words is "seventy-eight million, thirty-six thousand, four hundred sixteen".