80425783 has 2 divisors, whose sum is σ = 80425784. Its totient is φ = 80425782.

The previous prime is 80425777. The next prime is 80425819. The reversal of 80425783 is 38752408.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-80425783 is a prime.

It is equal to p_4692808 and since 80425783 and 4692808 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (80426783) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40212891 + 40212892.

It is an arithmetic number, because the mean of its divisors is an integer number (40212892).

Almost surely, 2^80425783 is an apocalyptic number.

80425783 is a deficient number, since it is larger than the sum of its proper divisors (1).

80425783 is an equidigital number, since it uses as much as digits as its factorization.

80425783 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 53760, while the sum is 37.

The square root of 80425783 is about 8968.0423170277. The cubic root of 80425783 is about 431.6500205431.

The spelling of 80425783 in words is "eighty million, four hundred twenty-five thousand, seven hundred eighty-three".