80959239 has 24 divisors (see below), whose sum is σ = 122234112. Its totient is φ = 51584400.

The previous prime is 80959237. The next prime is 80959273. The reversal of 80959239 is 93295908.

It is not a de Polignac number, because 80959239 - 2¹ = 80959237 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 80959194 and 80959203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80959231) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15964 + ... + 20414.

It is an arithmetic number, because the mean of its divisors is an integer number (5093088).

Almost surely, 2^80959239 is an apocalyptic number.

80959239 is a deficient number, since it is larger than the sum of its proper divisors (41274873).

80959239 is a wasteful number, since it uses less digits than its factorization.

80959239 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4547 (or 4544 counting only the distinct ones).

The product of its (nonzero) digits is 174960, while the sum is 45.

The square root of 80959239 is about 8997.7352150416. The cubic root of 80959239 is about 432.6022817113.

The spelling of 80959239 in words is "eighty million, nine hundred fifty-nine thousand, two hundred thirty-nine".