80028677 has 2 divisors, whose sum is σ = 80028678. Its totient is φ = 80028676.

The previous prime is 80028671. The next prime is 80028691. The reversal of 80028677 is 77682008.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 44970436 + 35058241 = 6706^2 + 5921^2 .

It is a cyclic number.

It is not a de Polignac number, because 80028677 - 2²⁰ = 78980101 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 80028677.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (80028671) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40014338 + 40014339.

It is an arithmetic number, because the mean of its divisors is an integer number (40014339).

Almost surely, 2^80028677 is an apocalyptic number.

It is an amenable number.

80028677 is a deficient number, since it is larger than the sum of its proper divisors (1).

80028677 is an equidigital number, since it uses as much as digits as its factorization.

80028677 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 37632, while the sum is 38.

The square root of 80028677 is about 8945.8748593975. The cubic root of 80028677 is about 430.9384174587.

The spelling of 80028677 in words is "eighty million, twenty-eight thousand, six hundred seventy-seven".