80975081 has 8 divisors (see below), whose sum is σ = 89834400. Its totient is φ = 72365440.

The previous prime is 80975057. The next prime is 80975099. The reversal of 80975081 is 18057908.

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 80975081 - 2¹⁴ = 80958697 is a prime.

It is a super-2 number, since 2×80975081² = 13113927485913122, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (80975021) 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, 61736 + ... + 63033.

It is an arithmetic number, because the mean of its divisors is an integer number (11229300).

Almost surely, 2^80975081 is an apocalyptic number.

It is an amenable number.

80975081 is a deficient number, since it is larger than the sum of its proper divisors (8859319).

80975081 is a wasteful number, since it uses less digits than its factorization.

80975081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124839.

The product of its (nonzero) digits is 20160, while the sum is 38.

The square root of 80975081 is about 8998.6155046207. The cubic root of 80975081 is about 432.6304968908.

The spelling of 80975081 in words is "eighty million, nine hundred seventy-five thousand, eighty-one".