80857000305737 has 2 divisors, whose sum is σ = 80857000305738. Its totient is φ = 80857000305736.

The previous prime is 80857000305707. The next prime is 80857000305799. The reversal of 80857000305737 is 73750300075808.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 65209113446656 + 15647886859081 = 8075216^2 + 3955741^2 .

It is a cyclic number.

It is not a de Polignac number, because 80857000305737 - 2⁶ = 80857000305673 is a prime.

It is a super-2 number, since 2×80857000305737² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (80857000305707) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40428500152868 + 40428500152869.

It is an arithmetic number, because the mean of its divisors is an integer number (40428500152869).

Almost surely, 2^{80857000305737} is an apocalyptic number.

It is an amenable number.

80857000305737 is a deficient number, since it is larger than the sum of its proper divisors (1).

80857000305737 is an equidigital number, since it uses as much as digits as its factorization.

80857000305737 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4939200, while the sum is 53.

The spelling of 80857000305737 in words is "eighty trillion, eight hundred fifty-seven billion, three hundred five thousand, seven hundred thirty-seven".