85797000361 has 2 divisors, whose sum is σ = 85797000362. Its totient is φ = 85797000360.

The previous prime is 85797000293. The next prime is 85797000379. The reversal of 85797000361 is 16300079758.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 44091600400 + 41705399961 = 209980^2 + 204219^2 .

It is a cyclic number.

It is not a de Polignac number, because 85797000361 - 2¹⁵ = 85796967593 is a prime.

It is a super-2 number, since 2×85797000361² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (85797000061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42898500180 + 42898500181.

It is an arithmetic number, because the mean of its divisors is an integer number (42898500181).

Almost surely, 2^85797000361 is an apocalyptic number.

It is an amenable number.

85797000361 is a deficient number, since it is larger than the sum of its proper divisors (1).

85797000361 is an equidigital number, since it uses as much as digits as its factorization.

85797000361 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 317520, while the sum is 46.

The spelling of 85797000361 in words is "eighty-five billion, seven hundred ninety-seven million, three hundred sixty-one", and thus it is an aban number.