80001769 has 2 divisors, whose sum is σ = 80001770. Its totient is φ = 80001768.

The previous prime is 80001721. The next prime is 80001773. The reversal of 80001769 is 96710008.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 46512400 + 33489369 = 6820^2 + 5787^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-80001769 is a prime.

It is a super-2 number, since 2×80001769² = 12800566086258722, which contains 22 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 80001769.

It is not a weakly prime, because it can be changed into another prime (80001469) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40000884 + 40000885.

It is an arithmetic number, because the mean of its divisors is an integer number (40000885).

Almost surely, 2^80001769 is an apocalyptic number.

It is an amenable number.

80001769 is a deficient number, since it is larger than the sum of its proper divisors (1).

80001769 is an equidigital number, since it uses as much as digits as its factorization.

80001769 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3024, while the sum is 31.

The square root of 80001769 is about 8944.3707995588. The cubic root of 80001769 is about 430.8901139788.

The spelling of 80001769 in words is "eighty million, one thousand, seven hundred sixty-nine".