80796678 has 16 divisors (see below), whose sum is σ = 165961200. Its totient is φ = 26204256.

The previous prime is 80796671. The next prime is 80796679. The reversal of 80796678 is 87669708.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 80796678.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80796671) 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 in 7 ways as a sum of consecutive naturals, for example, 181753 + ... + 182196.

It is an arithmetic number, because the mean of its divisors is an integer number (10372575).

Almost surely, 2^80796678 is an apocalyptic number.

80796678 is an abundant number, since it is smaller than the sum of its proper divisors (85164522).

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

80796678 is a wasteful number, since it uses less digits than its factorization.

80796678 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 363991.

The product of its (nonzero) digits is 1016064, while the sum is 51.

The square root of 80796678 is about 8988.6972359736. The cubic root of 80796678 is about 432.3125417473.

The spelling of 80796678 in words is "eighty million, seven hundred ninety-six thousand, six hundred seventy-eight".