80880479993 has 2 divisors, whose sum is σ = 80880479994. Its totient is φ = 80880479992.

The previous prime is 80880479989. The next prime is 80880480041. The reversal of 80880479993 is 39997408808.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 47159768569 + 33720711424 = 217163^2 + 183632^2 .

It is a cyclic number.

It is not a de Polignac number, because 80880479993 - 2² = 80880479989 is a prime.

It is not a weakly prime, because it can be changed into another prime (80880479983) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40440239996 + 40440239997.

It is an arithmetic number, because the mean of its divisors is an integer number (40440239997).

Almost surely, 2^80880479993 is an apocalyptic number.

It is an amenable number.

80880479993 is a deficient number, since it is larger than the sum of its proper divisors (1).

80880479993 is an equidigital number, since it uses as much as digits as its factorization.

80880479993 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 31352832, while the sum is 65.

The spelling of 80880479993 in words is "eighty billion, eight hundred eighty million, four hundred seventy-nine thousand, nine hundred ninety-three".