80820246072 has 48 divisors (see below), whose sum is σ = 208778686920. Its totient is φ = 26071039680.

The previous prime is 80820246071. The next prime is 80820246109. The reversal of 80820246072 is 27064202808.

It is a self number, because there is not a number n which added to its sum of digits gives 80820246072.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80820246071) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1729023 + ... + 1775150.

Almost surely, 2^80820246072 is an apocalyptic number.

It is an amenable number.

80820246072 is an abundant number, since it is smaller than the sum of its proper divisors (127958440848).

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

80820246072 is a wasteful number, since it uses less digits than its factorization.

80820246072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3504244 (or 3504209 counting only the distinct ones).

The product of its (nonzero) digits is 86016, while the sum is 39.

The spelling of 80820246072 in words is "eighty billion, eight hundred twenty million, two hundred forty-six thousand, seventy-two".