80790678320 has 80 divisors (see below), whose sum is σ = 204985665792. Its totient is φ = 29368231680.

The previous prime is 80790678277. The next prime is 80790678337. The reversal of 80790678320 is 2387609708.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (80).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2804309 + ... + 2832971.

Almost surely, 2^80790678320 is an apocalyptic number.

80790678320 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

80790678320 is an abundant number, since it is smaller than the sum of its proper divisors (124194987472).

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

80790678320 is a wasteful number, since it uses less digits than its factorization.

80790678320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31890 (or 31884 counting only the distinct ones).

The product of its (nonzero) digits is 1016064, while the sum is 50.

The spelling of 80790678320 in words is "eighty billion, seven hundred ninety million, six hundred seventy-eight thousand, three hundred twenty".