80716429457 has 2 divisors, whose sum is σ = 80716429458. Its totient is φ = 80716429456.

The previous prime is 80716429429. The next prime is 80716429463. The reversal of 80716429457 is 75492461708.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 71737729921 + 8978699536 = 267839^2 + 94756^2 .

It is a cyclic number.

It is not a de Polignac number, because 80716429457 - 2⁶ = 80716429393 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 80716429399 and 80716429408.

It is not a weakly prime, because it can be changed into another prime (80716429427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40358214728 + 40358214729.

It is an arithmetic number, because the mean of its divisors is an integer number (40358214729).

Almost surely, 2^80716429457 is an apocalyptic number.

It is an amenable number.

80716429457 is a deficient number, since it is larger than the sum of its proper divisors (1).

80716429457 is an equidigital number, since it uses as much as digits as its factorization.

80716429457 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3386880, while the sum is 53.

The spelling of 80716429457 in words is "eighty billion, seven hundred sixteen million, four hundred twenty-nine thousand, four hundred fifty-seven".