80085720068 has 24 divisors (see below), whose sum is σ = 142794852480. Its totient is φ = 39293411040.

The previous prime is 80085720061. The next prime is 80085720079. The reversal of 80085720068 is 86002758008.

It is not an unprimeable number, because it can be changed into a prime (80085720061) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 725903 + ... + 828918.

It is an arithmetic number, because the mean of its divisors is an integer number (5949785520).

Almost surely, 2^80085720068 is an apocalyptic number.

It is an amenable number.

80085720068 is a deficient number, since it is larger than the sum of its proper divisors (62709132412).

80085720068 is a wasteful number, since it uses less digits than its factorization.

80085720068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1555067 (or 1555065 counting only the distinct ones).

The product of its (nonzero) digits is 215040, while the sum is 44.

The spelling of 80085720068 in words is "eighty billion, eighty-five million, seven hundred twenty thousand, sixty-eight".