80248097777 has 2 divisors, whose sum is σ = 80248097778. Its totient is φ = 80248097776.

The previous prime is 80248097747. The next prime is 80248097779. The reversal of 80248097777 is 77779084208.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 52040559376 + 28207538401 = 228124^2 + 167951^2 .

It is a cyclic number.

It is not a de Polignac number, because 80248097777 - 2²² = 80243903473 is a prime.

Together with 80248097779, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (80248097779) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40124048888 + 40124048889.

It is an arithmetic number, because the mean of its divisors is an integer number (40124048889).

Almost surely, 2^80248097777 is an apocalyptic number.

It is an amenable number.

80248097777 is a deficient number, since it is larger than the sum of its proper divisors (1).

80248097777 is an equidigital number, since it uses as much as digits as its factorization.

80248097777 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11063808, while the sum is 59.

The spelling of 80248097777 in words is "eighty billion, two hundred forty-eight million, ninety-seven thousand, seven hundred seventy-seven".