80967937 has 4 divisors (see below), whose sum is σ = 81802756. Its totient is φ = 80133120.

The previous prime is 80967893. The next prime is 80967947. The reversal of 80967937 is 73976908.

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

It can be written as a sum of positive squares in 2 ways, for example, as 14447601 + 66520336 = 3801^2 + 8156^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-80967937 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (80967947) 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, 417264 + ... + 417457.

It is an arithmetic number, because the mean of its divisors is an integer number (20450689).

Almost surely, 2^80967937 is an apocalyptic number.

It is an amenable number.

80967937 is a deficient number, since it is larger than the sum of its proper divisors (834819).

80967937 is an equidigital number, since it uses as much as digits as its factorization.

80967937 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 834818.

The product of its (nonzero) digits is 571536, while the sum is 49.

The square root of 80967937 is about 8998.2185459123. The cubic root of 80967937 is about 432.6177736220.

The spelling of 80967937 in words is "eighty million, nine hundred sixty-seven thousand, nine hundred thirty-seven".