78036284 has 12 divisors (see below), whose sum is σ = 139894608. Its totient is φ = 38066400.

The previous prime is 78036281. The next prime is 78036289. The reversal of 78036284 is 48263087.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78036281) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 237752 + ... + 238079.

It is an arithmetic number, because the mean of its divisors is an integer number (11657884).

Almost surely, 2^78036284 is an apocalyptic number.

It is an amenable number.

78036284 is a deficient number, since it is larger than the sum of its proper divisors (61858324).

78036284 is a wasteful number, since it uses less digits than its factorization.

78036284 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 475876 (or 475874 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 38.

The square root of 78036284 is about 8833.8148044885. The cubic root of 78036284 is about 427.3321096719.

The spelling of 78036284 in words is "seventy-eight million, thirty-six thousand, two hundred eighty-four".