80292090977281 has 2 divisors, whose sum is σ = 80292090977282. Its totient is φ = 80292090977280.

The previous prime is 80292090977269. The next prime is 80292090977291. The reversal of 80292090977281 is 18277909029208.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 65758459687281 + 14533631290000 = 8109159^2 + 3812300^2 .

It is a cyclic number.

It is not a de Polignac number, because 80292090977281 - 2¹¹ = 80292090975233 is a prime.

It is a super-2 number, since 2×80292090977281² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (80292090977291) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40146045488640 + 40146045488641.

It is an arithmetic number, because the mean of its divisors is an integer number (40146045488641).

Almost surely, 2^{80292090977281} is an apocalyptic number.

It is an amenable number.

80292090977281 is a deficient number, since it is larger than the sum of its proper divisors (1).

80292090977281 is an equidigital number, since it uses as much as digits as its factorization.

80292090977281 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18289152, while the sum is 64.

The spelling of 80292090977281 in words is "eighty trillion, two hundred ninety-two billion, ninety million, nine hundred seventy-seven thousand, two hundred eighty-one".