85210148833 has 4 divisors (see below), whose sum is σ = 87288445188. Its totient is φ = 83131852480.

The previous prime is 85210148827. The next prime is 85210148839. The reversal of 85210148833 is 33884101258.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (85210148827) and next prime (85210148839).

It can be written as a sum of positive squares in 2 ways, for example, as 2848036689 + 82362112144 = 53367^2 + 286988^2 .

It is a cyclic number.

It is not a de Polignac number, because 85210148833 - 2⁵ = 85210148801 is a prime.

It is a super-2 number, since 2×85210148833² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 85210148833.

It is not an unprimeable number, because it can be changed into a prime (85210148839) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1039148116 + ... + 1039148197.

It is an arithmetic number, because the mean of its divisors is an integer number (21822111297).

Almost surely, 2^85210148833 is an apocalyptic number.

It is an amenable number.

85210148833 is a deficient number, since it is larger than the sum of its proper divisors (2078296355).

85210148833 is a wasteful number, since it uses less digits than its factorization.

85210148833 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2078296354.

The product of its (nonzero) digits is 184320, while the sum is 43.

The spelling of 85210148833 in words is "eighty-five billion, two hundred ten million, one hundred forty-eight thousand, eight hundred thirty-three".