80802769785371 has 2 divisors, whose sum is σ = 80802769785372. Its totient is φ = 80802769785370.

The previous prime is 80802769785329. The next prime is 80802769785383. The reversal of 80802769785371 is 17358796720808.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 80802769785371 - 2¹⁸ = 80802769523227 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 80802769785295 and 80802769785304.

It is not a weakly prime, because it can be changed into another prime (80802769785301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40401384892685 + 40401384892686.

It is an arithmetic number, because the mean of its divisors is an integer number (40401384892686).

Almost surely, 2^{80802769785371} is an apocalyptic number.

80802769785371 is a deficient number, since it is larger than the sum of its proper divisors (1).

80802769785371 is an equidigital number, since it uses as much as digits as its factorization.

80802769785371 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 284497920, while the sum is 71.

The spelling of 80802769785371 in words is "eighty trillion, eight hundred two billion, seven hundred sixty-nine million, seven hundred eighty-five thousand, three hundred seventy-one".