80525434568 has 8 divisors (see below), whose sum is σ = 150985189830. Its totient is φ = 40262717280.

The previous prime is 80525434541. The next prime is 80525434571. The reversal of 80525434568 is 86543452508.

It can be written as a sum of positive squares in only one way, i.e., 65670212644 + 14855221924 = 256262^2 + 121882^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-3 number, since 3×80525434568³ (a number of 34 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5032839653 + ... + 5032839668.

Almost surely, 2^80525434568 is an apocalyptic number.

It is an amenable number.

80525434568 is a deficient number, since it is larger than the sum of its proper divisors (70459755262).

80525434568 is a wasteful number, since it uses less digits than its factorization.

80525434568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10065679327 (or 10065679323 counting only the distinct ones).

The product of its (nonzero) digits is 4608000, while the sum is 50.

The spelling of 80525434568 in words is "eighty billion, five hundred twenty-five million, four hundred thirty-four thousand, five hundred sixty-eight".