80928611 has 2 divisors, whose sum is σ = 80928612. Its totient is φ = 80928610.

The previous prime is 80928553. The next prime is 80928637. The reversal of 80928611 is 11682908.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-80928611 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (80928641) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40464305 + 40464306.

It is an arithmetic number, because the mean of its divisors is an integer number (40464306).

Almost surely, 2^80928611 is an apocalyptic number.

80928611 is a deficient number, since it is larger than the sum of its proper divisors (1).

80928611 is an equidigital number, since it uses as much as digits as its factorization.

80928611 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6912, while the sum is 35.

The square root of 80928611 is about 8996.0330701927. The cubic root of 80928611 is about 432.5477216880.

The spelling of 80928611 in words is "eighty million, nine hundred twenty-eight thousand, six hundred eleven".