85375187633 has 4 divisors (see below), whose sum is σ = 85468904448. Its totient is φ = 85281470820.

The previous prime is 85375187627. The next prime is 85375187657. The reversal of 85375187633 is 33678157358.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 33678157358 = 2 ⋅16839078679.

It is a cyclic number.

It is not a de Polignac number, because 85375187633 - 2¹⁰ = 85375186609 is a prime.

It is a super-2 number, since 2×85375187633² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (85375187693) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46857041 + ... + 46858862.

It is an arithmetic number, because the mean of its divisors is an integer number (21367226112).

Almost surely, 2^85375187633 is an apocalyptic number.

It is an amenable number.

85375187633 is a deficient number, since it is larger than the sum of its proper divisors (93716815).

85375187633 is an equidigital number, since it uses as much as digits as its factorization.

85375187633 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93716814.

The product of its digits is 12700800, while the sum is 56.

The spelling of 85375187633 in words is "eighty-five billion, three hundred seventy-five million, one hundred eighty-seven thousand, six hundred thirty-three".