80380997 has 2 divisors, whose sum is σ = 80380998. Its totient is φ = 80380996.

The previous prime is 80380969. The next prime is 80381003. The reversal of 80380997 is 79908308.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 59459521 + 20921476 = 7711^2 + 4574^2 .

It is a cyclic number.

It is not a de Polignac number, because 80380997 - 2⁶ = 80380933 is a prime.

It is a super-2 number, since 2×80380997² = 12922209357428018, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (80380907) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40190498 + 40190499.

It is an arithmetic number, because the mean of its divisors is an integer number (40190499).

Almost surely, 2^80380997 is an apocalyptic number.

It is an amenable number.

80380997 is a deficient number, since it is larger than the sum of its proper divisors (1).

80380997 is an equidigital number, since it uses as much as digits as its factorization.

80380997 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108864, while the sum is 44.

The square root of 80380997 is about 8965.5449918006. The cubic root of 80380997 is about 431.5698826130.

The spelling of 80380997 in words is "eighty million, three hundred eighty thousand, nine hundred ninety-seven".