85343434547 has 16 divisors (see below), whose sum is σ = 102992720640. Its totient is φ = 69082784928.

The previous prime is 85343434543. The next prime is 85343434567. The reversal of 85343434547 is 74543434358.

It is a cyclic number.

It is not a de Polignac number, because 85343434547 - 2² = 85343434543 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 85343434495 and 85343434504.

It is not an unprimeable number, because it can be changed into a prime (85343434541) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 969953 + ... + 1054274.

It is an arithmetic number, because the mean of its divisors is an integer number (6437045040).

Almost surely, 2^85343434547 is an apocalyptic number.

85343434547 is a deficient number, since it is larger than the sum of its proper divisors (17649286093).

85343434547 is a wasteful number, since it uses less digits than its factorization.

85343434547 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2024570.

The product of its digits is 9676800, while the sum is 50.

The spelling of 85343434547 in words is "eighty-five billion, three hundred forty-three million, four hundred thirty-four thousand, five hundred forty-seven".