80025797 has 2 divisors, whose sum is σ = 80025798. Its totient is φ = 80025796.

The previous prime is 80025793. The next prime is 80025823. The reversal of 80025797 is 79752008.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 45144961 + 34880836 = 6719^2 + 5906^2 .

It is a cyclic number.

It is not a de Polignac number, because 80025797 - 2² = 80025793 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 80025797.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (80025793) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40012898 + 40012899.

It is an arithmetic number, because the mean of its divisors is an integer number (40012899).

Almost surely, 2^80025797 is an apocalyptic number.

It is an amenable number.

80025797 is a deficient number, since it is larger than the sum of its proper divisors (1).

80025797 is an equidigital number, since it uses as much as digits as its factorization.

80025797 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 35280, while the sum is 38.

The square root of 80025797 is about 8945.7138899028. The cubic root of 80025797 is about 430.9332479887.

The spelling of 80025797 in words is "eighty million, twenty-five thousand, seven hundred ninety-seven".