80480278097 has 2 divisors, whose sum is σ = 80480278098. Its totient is φ = 80480278096.

The previous prime is 80480278061. The next prime is 80480278117. The reversal of 80480278097 is 79087208408.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 49900411456 + 30579866641 = 223384^2 + 174871^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-80480278097 is a prime.

It is not a weakly prime, because it can be changed into another prime (80480278597) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40240139048 + 40240139049.

It is an arithmetic number, because the mean of its divisors is an integer number (40240139049).

Almost surely, 2^80480278097 is an apocalyptic number.

It is an amenable number.

80480278097 is a deficient number, since it is larger than the sum of its proper divisors (1).

80480278097 is an equidigital number, since it uses as much as digits as its factorization.

80480278097 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1806336, while the sum is 53.

The spelling of 80480278097 in words is "eighty billion, four hundred eighty million, two hundred seventy-eight thousand, ninety-seven".