80970239 has 4 divisors (see below), whose sum is σ = 92537424. Its totient is φ = 69403056.

The previous prime is 80970223. The next prime is 80970251. The reversal of 80970239 is 93207908.

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

It is a cyclic number.

It is not a de Polignac number, because 80970239 - 2⁴ = 80970223 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80970259) 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, 5783582 + ... + 5783595.

It is an arithmetic number, because the mean of its divisors is an integer number (23134356).

Almost surely, 2^80970239 is an apocalyptic number.

80970239 is a deficient number, since it is larger than the sum of its proper divisors (11567185).

80970239 is a wasteful number, since it uses less digits than its factorization.

80970239 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11567184.

The product of its (nonzero) digits is 27216, while the sum is 38.

The square root of 80970239 is about 8998.3464592113. The cubic root of 80970239 is about 432.6218735028.

The spelling of 80970239 in words is "eighty million, nine hundred seventy thousand, two hundred thirty-nine".