78584036 has 12 divisors (see below), whose sum is σ = 137741100. Its totient is φ = 39229440.

The previous prime is 78584029. The next prime is 78584053. The reversal of 78584036 is 63048587.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 32262400 + 46321636 = 5680^2 + 6806^2 .

It is a junction number, because it is equal to n+sod(n) for n = 78583984 and 78584002.

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, 12761 + ... + 17888.

It is an arithmetic number, because the mean of its divisors is an integer number (11478425).

Almost surely, 2^78584036 is an apocalyptic number.

It is an amenable number.

78584036 is a deficient number, since it is larger than the sum of its proper divisors (59157064).

78584036 is a wasteful number, since it uses less digits than its factorization.

78584036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31294 (or 31292 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 41.

The square root of 78584036 is about 8864.7637306360. The cubic root of 78584036 is about 428.3296220498.

The spelling of 78584036 in words is "seventy-eight million, five hundred eighty-four thousand, thirty-six".