85337021871 has 12 divisors (see below), whose sum is σ = 123267216072. Its totient is φ = 56890134576.

The previous prime is 85337021863. The next prime is 85337021873. The reversal of 85337021871 is 17812073358.

It is not a de Polignac number, because 85337021871 - 2³ = 85337021863 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85337021873) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 600720 + ... + 729066.

It is an arithmetic number, because the mean of its divisors is an integer number (10272268006).

Almost surely, 2^85337021871 is an apocalyptic number.

85337021871 is a deficient number, since it is larger than the sum of its proper divisors (37930194201).

85337021871 is a wasteful number, since it uses less digits than its factorization.

85337021871 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202230 (or 202227 counting only the distinct ones).

The product of its (nonzero) digits is 282240, while the sum is 45.

The spelling of 85337021871 in words is "eighty-five billion, three hundred thirty-seven million, twenty-one thousand, eight hundred seventy-one".