85875074473 has 4 divisors (see below), whose sum is σ = 90926549460. Its totient is φ = 80823599488.

The previous prime is 85875074437. The next prime is 85875074479. The reversal of 85875074473 is 37447057858.

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

It can be written as a sum of positive squares in 2 ways, for example, as 46945022224 + 38930052249 = 216668^2 + 197307^2 .

It is a cyclic number.

It is not a de Polignac number, because 85875074473 - 2⁹ = 85875073961 is a prime.

It is a Smith number, since the sum of its digits (58) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (85875074479) 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, 2525737468 + ... + 2525737501.

It is an arithmetic number, because the mean of its divisors is an integer number (22731637365).

Almost surely, 2^85875074473 is an apocalyptic number.

It is an amenable number.

85875074473 is a deficient number, since it is larger than the sum of its proper divisors (5051474987).

85875074473 is a wasteful number, since it uses less digits than its factorization.

85875074473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5051474986.

The product of its (nonzero) digits is 26342400, while the sum is 58.

The spelling of 85875074473 in words is "eighty-five billion, eight hundred seventy-five million, seventy-four thousand, four hundred seventy-three".