80639038 has 8 divisors (see below), whose sum is σ = 120998520. Its totient is φ = 40306200.

The previous prime is 80639033. The next prime is 80639047. The reversal of 80639038 is 83093608.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 80638988 and 80639006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80639033) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4968 + ... + 13636.

It is an arithmetic number, because the mean of its divisors is an integer number (15124815).

Almost surely, 2^80639038 is an apocalyptic number.

80639038 is a deficient number, since it is larger than the sum of its proper divisors (40359482).

80639038 is a wasteful number, since it uses less digits than its factorization.

80639038 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13322.

The product of its (nonzero) digits is 31104, while the sum is 37.

The square root of 80639038 is about 8979.9241644905. The cubic root of 80639038 is about 432.0312013072.

The spelling of 80639038 in words is "eighty million, six hundred thirty-nine thousand, thirty-eight".