85434070063 has 4 divisors (see below), whose sum is σ = 85692179368. Its totient is φ = 85175960760.

The previous prime is 85434069989. The next prime is 85434070067. The reversal of 85434070063 is 36007043458.

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 85434070063 - 2²¹ = 85431972911 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 85434069998 and 85434070025.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85434070067) 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, 129054156 + ... + 129054817.

It is an arithmetic number, because the mean of its divisors is an integer number (21423044842).

Almost surely, 2^85434070063 is an apocalyptic number.

85434070063 is a deficient number, since it is larger than the sum of its proper divisors (258109305).

85434070063 is a wasteful number, since it uses less digits than its factorization.

85434070063 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 258109304.

The product of its (nonzero) digits is 241920, while the sum is 40.

The spelling of 85434070063 in words is "eighty-five billion, four hundred thirty-four million, seventy thousand, sixty-three".