78000036 has 12 divisors (see below), whose sum is σ = 182000112. Its totient is φ = 26000008.

The previous prime is 78000031. The next prime is 78000037. The reversal of 78000036 is 63000087.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (78000031) by changing a digit.

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, 3249990 + ... + 3250013.

It is an arithmetic number, because the mean of its divisors is an integer number (15166676).

Almost surely, 2^78000036 is an apocalyptic number.

It is an amenable number.

78000036 is an abundant number, since it is smaller than the sum of its proper divisors (104000076).

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

78000036 is a wasteful number, since it uses less digits than its factorization.

78000036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6500010 (or 6500008 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 24.

The square root of 78000036 is about 8831.7629044263. The cubic root of 78000036 is about 427.2659339030.

The spelling of 78000036 in words is "seventy-eight million, thirty-six", and thus it is an aban number and an uban number.