80007273520 has 20 divisors (see below), whose sum is σ = 186016911120. Its totient is φ = 32002909376.

The previous prime is 80007273517. The next prime is 80007273539. The reversal of 80007273520 is 2537270008.

It is a tau number, because it is divible by the number of its divisors (20).

It is a super-2 number, since 2×80007273520² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 500045380 + ... + 500045539.

It is an arithmetic number, because the mean of its divisors is an integer number (9300845556).

Almost surely, 2^80007273520 is an apocalyptic number.

80007273520 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

80007273520 is an abundant number, since it is smaller than the sum of its proper divisors (106009637600).

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

80007273520 is a wasteful number, since it uses less digits than its factorization.

80007273520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1000090932 (or 1000090926 counting only the distinct ones).

The product of its (nonzero) digits is 23520, while the sum is 34.

The spelling of 80007273520 in words is "eighty billion, seven million, two hundred seventy-three thousand, five hundred twenty".