80686674074 has 8 divisors (see below), whose sum is σ = 125203459860. Its totient is φ = 38952187456.

The previous prime is 80686674041. The next prime is 80686674091. The reversal of 80686674074 is 47047668608.

It can be written as a sum of positive squares in 2 ways, for example, as 72935104225 + 7751569849 = 270065^2 + 88043^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-3 number, since 3×80686674074³ (a number of 34 digits) contains 333 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 in 3 ways as a sum of consecutive naturals, for example, 695574719 + ... + 695574834.

Almost surely, 2^80686674074 is an apocalyptic number.

80686674074 is a deficient number, since it is larger than the sum of its proper divisors (44516785786).

80686674074 is a wasteful number, since it uses less digits than its factorization.

80686674074 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1391149584.

The product of its (nonzero) digits is 10838016, while the sum is 56.

The spelling of 80686674074 in words is "eighty billion, six hundred eighty-six million, six hundred seventy-four thousand, seventy-four".