78080012 has 6 divisors (see below), whose sum is σ = 136640028. Its totient is φ = 39040004.

The previous prime is 78080003. The next prime is 78080017. The reversal of 78080012 is 21008087.

It is not an unprimeable number, because it can be changed into a prime (78080017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9759998 + ... + 9760005.

It is an arithmetic number, because the mean of its divisors is an integer number (22773338).

Almost surely, 2^78080012 is an apocalyptic number.

It is an amenable number.

78080012 is a deficient number, since it is larger than the sum of its proper divisors (58560016).

78080012 is a wasteful number, since it uses less digits than its factorization.

78080012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19520007 (or 19520005 counting only the distinct ones).

The product of its (nonzero) digits is 896, while the sum is 26.

The square root of 78080012 is about 8836.2894927679. The cubic root of 78080012 is about 427.4119139557.

Adding to 78080012 its reverse (21008087), we get a palindrome (99088099).

The spelling of 78080012 in words is "seventy-eight million, eighty thousand, twelve".