85875543137 has 2 divisors, whose sum is σ = 85875543138. Its totient is φ = 85875543136.

The previous prime is 85875543121. The next prime is 85875543181. The reversal of 85875543137 is 73134557858.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 63142140961 + 22733402176 = 251281^2 + 150776^2 .

It is a cyclic number.

It is not a de Polignac number, because 85875543137 - 2⁴ = 85875543121 is a prime.

It is not a weakly prime, because it can be changed into another prime (85875546137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42937771568 + 42937771569.

It is an arithmetic number, because the mean of its divisors is an integer number (42937771569).

Almost surely, 2^85875543137 is an apocalyptic number.

It is an amenable number.

85875543137 is a deficient number, since it is larger than the sum of its proper divisors (1).

85875543137 is an equidigital number, since it uses as much as digits as its factorization.

85875543137 is an evil number, because the sum of its binary digits is even.

The product of its digits is 14112000, while the sum is 56.

The spelling of 85875543137 in words is "eighty-five billion, eight hundred seventy-five million, five hundred forty-three thousand, one hundred thirty-seven".