80639714 has 4 divisors (see below), whose sum is σ = 120959574. Its totient is φ = 40319856.

The previous prime is 80639683. The next prime is 80639717. The reversal of 80639714 is 41793608.

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., 47955625 + 32684089 = 6925^2 + 5717^2 .

It is a super-4 number, since 4×80639714⁴ (a number of 33 digits) contains 4444 as substring.

It is not an unprimeable number, because it can be changed into a prime (80639717) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20159927 + ... + 20159930.

Almost surely, 2^80639714 is an apocalyptic number.

80639714 is a deficient number, since it is larger than the sum of its proper divisors (40319860).

80639714 is a wasteful number, since it uses less digits than its factorization.

80639714 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40319859.

The product of its (nonzero) digits is 36288, while the sum is 38.

The square root of 80639714 is about 8979.9618039277. The cubic root of 80639714 is about 432.0324085483.

The spelling of 80639714 in words is "eighty million, six hundred thirty-nine thousand, seven hundred fourteen".