80952809 has 8 divisors (see below), whose sum is σ = 93086400. Its totient is φ = 68961456.

The previous prime is 80952769. The next prime is 80952829. The reversal of 80952809 is 90825908.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 80952809 - 2¹⁶ = 80887273 is a prime.

It is a super-3 number, since 3×80952809³ (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (80952829) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34334 + ... + 36615.

It is an arithmetic number, because the mean of its divisors is an integer number (11635800).

Almost surely, 2^80952809 is an apocalyptic number.

It is an amenable number.

80952809 is a deficient number, since it is larger than the sum of its proper divisors (12133591).

80952809 is a wasteful number, since it uses less digits than its factorization.

80952809 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71119.

The product of its (nonzero) digits is 51840, while the sum is 41.

The square root of 80952809 is about 8997.3778958094. The cubic root of 80952809 is about 432.5908285967.

The spelling of 80952809 in words is "eighty million, nine hundred fifty-two thousand, eight hundred nine".