85120004347 has 16 divisors (see below), whose sum is σ = 100020501504. Its totient is φ = 70917768000.

The previous prime is 85120004323. The next prime is 85120004369. The reversal of 85120004347 is 74340002158.

It is a cyclic number.

It is not a de Polignac number, because 85120004347 - 2²³ = 85111615739 is a prime.

It is not an unprimeable number, because it can be changed into a prime (85120004147) 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 15 ways as a sum of consecutive naturals, for example, 469429 + ... + 624982.

It is an arithmetic number, because the mean of its divisors is an integer number (6251281344).

Almost surely, 2^85120004347 is an apocalyptic number.

85120004347 is a deficient number, since it is larger than the sum of its proper divisors (14900497157).

85120004347 is a wasteful number, since it uses less digits than its factorization.

85120004347 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1094730.

The product of its (nonzero) digits is 26880, while the sum is 34.

The spelling of 85120004347 in words is "eighty-five billion, one hundred twenty million, four thousand, three hundred forty-seven".