85800398271 has 16 divisors (see below), whose sum is σ = 134277072384. Its totient is φ = 47703695904.

The previous prime is 85800398263. The next prime is 85800398279. The reversal of 85800398271 is 17289300858.

It is an interprime number because it is at equal distance from previous prime (85800398263) and next prime (85800398279).

It is not a de Polignac number, because 85800398271 - 2³ = 85800398263 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85800398279) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 55211835 + ... + 55213388.

It is an arithmetic number, because the mean of its divisors is an integer number (8392317024).

Almost surely, 2^85800398271 is an apocalyptic number.

85800398271 is a deficient number, since it is larger than the sum of its proper divisors (48476674113).

85800398271 is a wasteful number, since it uses less digits than its factorization.

85800398271 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110425270.

The product of its (nonzero) digits is 967680, while the sum is 51.

The spelling of 85800398271 in words is "eighty-five billion, eight hundred million, three hundred ninety-eight thousand, two hundred seventy-one".