80073679997 has 2 divisors, whose sum is σ = 80073679998. Its totient is φ = 80073679996.

The previous prime is 80073679967. The next prime is 80073679999. The reversal of 80073679997 is 79997637008.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 54302514841 + 25771165156 = 233029^2 + 160534^2 .

It is a cyclic number.

It is not a de Polignac number, because 80073679997 - 2¹⁶ = 80073614461 is a prime.

It is a super-4 number, since 4×80073679997⁴ (a number of 45 digits) contains 4444 as substring.

Together with 80073679999, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (80073679999) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40036839998 + 40036839999.

It is an arithmetic number, because the mean of its divisors is an integer number (40036839999).

Almost surely, 2^80073679997 is an apocalyptic number.

It is an amenable number.

80073679997 is a deficient number, since it is larger than the sum of its proper divisors (1).

80073679997 is an equidigital number, since it uses as much as digits as its factorization.

80073679997 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36006768, while the sum is 65.

The spelling of 80073679997 in words is "eighty billion, seventy-three million, six hundred seventy-nine thousand, nine hundred ninety-seven".