80571968 has 14 divisors (see below), whose sum is σ = 159885126. Its totient is φ = 40285952.

The previous prime is 80571961. The next prime is 80571971. The reversal of 80571968 is 86917508.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 50013184 + 30558784 = 7072^2 + 5528^2 .

It is not an unprimeable number, because it can be changed into a prime (80571961) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 629405 + ... + 629532.

Almost surely, 2^80571968 is an apocalyptic number.

It is an amenable number.

80571968 is a deficient number, since it is larger than the sum of its proper divisors (79313158).

80571968 is a wasteful number, since it uses less digits than its factorization.

80571968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1258949 (or 1258939 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 44.

The square root of 80571968 is about 8976.1889463179. The cubic root of 80571968 is about 431.9113901479.

The spelling of 80571968 in words is "eighty million, five hundred seventy-one thousand, nine hundred sixty-eight".