80462849897 has 2 divisors, whose sum is σ = 80462849898. Its totient is φ = 80462849896.

The previous prime is 80462849891. The next prime is 80462849927. The reversal of 80462849897 is 79894826408.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 58291342096 + 22171507801 = 241436^2 + 148901^2 .

It is a cyclic number.

It is not a de Polignac number, because 80462849897 - 2¹⁴ = 80462833513 is a prime.

It is not a weakly prime, because it can be changed into another prime (80462849891) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40231424948 + 40231424949.

It is an arithmetic number, because the mean of its divisors is an integer number (40231424949).

Almost surely, 2^80462849897 is an apocalyptic number.

It is an amenable number.

80462849897 is a deficient number, since it is larger than the sum of its proper divisors (1).

80462849897 is an equidigital number, since it uses as much as digits as its factorization.

80462849897 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 55738368, while the sum is 65.

The spelling of 80462849897 in words is "eighty billion, four hundred sixty-two million, eight hundred forty-nine thousand, eight hundred ninety-seven".