80293861 has 2 divisors, whose sum is σ = 80293862. Its totient is φ = 80293860.

The previous prime is 80293859. The next prime is 80293877. The reversal of 80293861 is 16839208.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 78588225 + 1705636 = 8865^2 + 1306^2 .

It is a cyclic number.

It is not a de Polignac number, because 80293861 - 2¹ = 80293859 is a prime.

It is a super-2 number, since 2×80293861² = 12894208228574642, which contains 22 as substring.

Together with 80293859, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 80293861.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (80293831) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40146930 + 40146931.

It is an arithmetic number, because the mean of its divisors is an integer number (40146931).

Almost surely, 2^80293861 is an apocalyptic number.

It is an amenable number.

80293861 is a deficient number, since it is larger than the sum of its proper divisors (1).

80293861 is an equidigital number, since it uses as much as digits as its factorization.

80293861 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20736, while the sum is 37.

The square root of 80293861 is about 8960.6841814674. The cubic root of 80293861 is about 431.4138802767.

The spelling of 80293861 in words is "eighty million, two hundred ninety-three thousand, eight hundred sixty-one".