80571386312 has 8 divisors (see below), whose sum is σ = 151071349350. Its totient is φ = 40285693152.

The previous prime is 80571386281. The next prime is 80571386327. The reversal of 80571386312 is 21368317508.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 79464227236 + 1107159076 = 281894^2 + 33274^2 .

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

It is a super-2 number, since 2×80571386312² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5035711637 + ... + 5035711652.

Almost surely, 2^80571386312 is an apocalyptic number.

It is an amenable number.

80571386312 is a deficient number, since it is larger than the sum of its proper divisors (70499963038).

80571386312 is a wasteful number, since it uses less digits than its factorization.

80571386312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10071423295 (or 10071423291 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 44.

The spelling of 80571386312 in words is "eighty billion, five hundred seventy-one million, three hundred eighty-six thousand, three hundred twelve".