80831838129979 has 2 divisors, whose sum is σ = 80831838129980. Its totient is φ = 80831838129978.

The previous prime is 80831838129953. The next prime is 80831838129983. The reversal of 80831838129979 is 97992183813808.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 80831838129979 - 2⁵ = 80831838129947 is a prime.

It is a super-2 number, since 2×80831838129979² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (80831808129979) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40415919064989 + 40415919064990.

It is an arithmetic number, because the mean of its divisors is an integer number (40415919064990).

Almost surely, 2^{80831838129979} is an apocalyptic number.

80831838129979 is a deficient number, since it is larger than the sum of its proper divisors (1).

80831838129979 is an equidigital number, since it uses as much as digits as its factorization.

80831838129979 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 376233984, while the sum is 76.

The spelling of 80831838129979 in words is "eighty trillion, eight hundred thirty-one billion, eight hundred thirty-eight million, one hundred twenty-nine thousand, nine hundred seventy-nine".