80572121760 has 96 divisors (see below), whose sum is σ = 273325449600. Its totient is φ = 19833136128.

The previous prime is 80572121743. The next prime is 80572121801. The reversal of 80572121760 is 6712127508.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (39).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6449860 + ... + 6462339.

It is an arithmetic number, because the mean of its divisors is an integer number (2847140100).

Almost surely, 2^80572121760 is an apocalyptic number.

80572121760 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

80572121760 is an abundant number, since it is smaller than the sum of its proper divisors (192753327840).

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

80572121760 is a wasteful number, since it uses less digits than its factorization.

80572121760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12912230 (or 12912222 counting only the distinct ones).

The product of its (nonzero) digits is 47040, while the sum is 39.

The spelling of 80572121760 in words is "eighty billion, five hundred seventy-two million, one hundred twenty-one thousand, seven hundred sixty".