80824927 has 2 divisors, whose sum is σ = 80824928. Its totient is φ = 80824926.

The previous prime is 80824889. The next prime is 80824949. The reversal of 80824927 is 72942808.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-80824927 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 80824927.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (80824957) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40412463 + 40412464.

It is an arithmetic number, because the mean of its divisors is an integer number (40412464).

Almost surely, 2^80824927 is an apocalyptic number.

80824927 is a deficient number, since it is larger than the sum of its proper divisors (1).

80824927 is an equidigital number, since it uses as much as digits as its factorization.

80824927 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 64512, while the sum is 40.

The square root of 80824927 is about 8990.2684609527. The cubic root of 80824927 is about 432.3629191238.

The spelling of 80824927 in words is "eighty million, eight hundred twenty-four thousand, nine hundred twenty-seven".