80215534682 has 4 divisors (see below), whose sum is σ = 120323302026. Its totient is φ = 40107767340.

The previous prime is 80215534667. The next prime is 80215534691. The reversal of 80215534682 is 28643551208.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 80151838321 + 63696361 = 283111^2 + 7981^2 .

It is a super-2 number, since 2×80215534682² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20053883669 + ... + 20053883672.

Almost surely, 2^80215534682 is an apocalyptic number.

80215534682 is a deficient number, since it is larger than the sum of its proper divisors (40107767344).

80215534682 is a wasteful number, since it uses less digits than its factorization.

80215534682 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40107767343.

The product of its (nonzero) digits is 460800, while the sum is 44.

The spelling of 80215534682 in words is "eighty billion, two hundred fifteen million, five hundred thirty-four thousand, six hundred eighty-two".