85000004235 has 32 divisors (see below), whose sum is σ = 154796765760. Its totient is φ = 44227641600.

The previous prime is 85000004231. The next prime is 85000004269. The reversal of 85000004235 is 53240000058.

It is not a de Polignac number, because 85000004235 - 2² = 85000004231 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 85000004199 and 85000004208.

It is not an unprimeable number, because it can be changed into a prime (85000004231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7672876 + ... + 7683945.

It is an arithmetic number, because the mean of its divisors is an integer number (4837398930).

Almost surely, 2^85000004235 is an apocalyptic number.

85000004235 is a deficient number, since it is larger than the sum of its proper divisors (69796761525).

85000004235 is a wasteful number, since it uses less digits than its factorization.

85000004235 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15356876 (or 15356870 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The spelling of 85000004235 in words is "eighty-five billion, four thousand, two hundred thirty-five".