85474502843 has 4 divisors (see below), whose sum is σ = 85490535648. Its totient is φ = 85458470040.

The previous prime is 85474502819. The next prime is 85474502881. The reversal of 85474502843 is 34820547458.

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

It is a cyclic number.

It is not a de Polignac number, because 85474502843 - 2¹⁴ = 85474486459 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 85474502791 and 85474502800.

It is not an unprimeable number, because it can be changed into a prime (85474501843) 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, 8008403 + ... + 8019068.

It is an arithmetic number, because the mean of its divisors is an integer number (21372633912).

Almost surely, 2^85474502843 is an apocalyptic number.

85474502843 is a deficient number, since it is larger than the sum of its proper divisors (16032805).

85474502843 is a wasteful number, since it uses less digits than its factorization.

85474502843 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16032804.

The product of its (nonzero) digits is 4300800, while the sum is 50.

The spelling of 85474502843 in words is "eighty-five billion, four hundred seventy-four million, five hundred two thousand, eight hundred forty-three".