80505325576 has 16 divisors (see below), whose sum is σ = 162558830700. Its totient is φ = 37156304064.

The previous prime is 80505325529. The next prime is 80505325577. The reversal of 80505325576 is 67552350508.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 76756702500 + 3748623076 = 277050^2 + 61226^2 .

It is a super-2 number, since 2×80505325576² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (80505325577) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 387044731 + ... + 387044938.

Almost surely, 2^80505325576 is an apocalyptic number.

It is an amenable number.

80505325576 is an abundant number, since it is smaller than the sum of its proper divisors (82053505124).

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

80505325576 is a wasteful number, since it uses less digits than its factorization.

80505325576 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 774089688 (or 774089684 counting only the distinct ones).

The product of its (nonzero) digits is 1260000, while the sum is 46.

The spelling of 80505325576 in words is "eighty billion, five hundred five million, three hundred twenty-five thousand, five hundred seventy-six".