80829167077 has 2 divisors, whose sum is σ = 80829167078. Its totient is φ = 80829167076.

The previous prime is 80829167057. The next prime is 80829167101. The reversal of 80829167077 is 77076192808.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 45141801156 + 35687365921 = 212466^2 + 188911^2 .

It is a cyclic number.

It is not a de Polignac number, because 80829167077 - 2¹⁹ = 80828642789 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (80829167057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40414583538 + 40414583539.

It is an arithmetic number, because the mean of its divisors is an integer number (40414583539).

Almost surely, 2^80829167077 is an apocalyptic number.

It is an amenable number.

80829167077 is a deficient number, since it is larger than the sum of its proper divisors (1).

80829167077 is an equidigital number, since it uses as much as digits as its factorization.

80829167077 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2370816, while the sum is 55.

The spelling of 80829167077 in words is "eighty billion, eight hundred twenty-nine million, one hundred sixty-seven thousand, seventy-seven".