80249677 has 2 divisors, whose sum is σ = 80249678. Its totient is φ = 80249676.

The previous prime is 80249671. The next prime is 80249713. The reversal of 80249677 is 77694208.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 72692676 + 7557001 = 8526^2 + 2749^2 .

It is a cyclic number.

It is not a de Polignac number, because 80249677 - 2¹⁵ = 80216909 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (80249671) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40124838 + 40124839.

It is an arithmetic number, because the mean of its divisors is an integer number (40124839).

Almost surely, 2^80249677 is an apocalyptic number.

It is an amenable number.

80249677 is a deficient number, since it is larger than the sum of its proper divisors (1).

80249677 is an equidigital number, since it uses as much as digits as its factorization.

80249677 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 169344, while the sum is 43.

The square root of 80249677 is about 8958.2184054643. The cubic root of 80249677 is about 431.3347331368.

The spelling of 80249677 in words is "eighty million, two hundred forty-nine thousand, six hundred seventy-seven".