80711963 has 2 divisors, whose sum is σ = 80711964. Its totient is φ = 80711962.

The previous prime is 80711947. The next prime is 80711977. The reversal of 80711963 is 36911708.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 80711963 - 2⁴ = 80711947 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (80711923) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40355981 + 40355982.

It is an arithmetic number, because the mean of its divisors is an integer number (40355982).

Almost surely, 2^80711963 is an apocalyptic number.

80711963 is a deficient number, since it is larger than the sum of its proper divisors (1).

80711963 is an equidigital number, since it uses as much as digits as its factorization.

80711963 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9072, while the sum is 35.

The square root of 80711963 is about 8983.9836932176. The cubic root of 80711963 is about 432.1613962417.

The spelling of 80711963 in words is "eighty million, seven hundred eleven thousand, nine hundred sixty-three".