85044657064 has 16 divisors (see below), whose sum is σ = 160349565600. Its totient is φ = 42284772912.

The previous prime is 85044657043. The next prime is 85044657067. The reversal of 85044657064 is 46075644058.

It is a junction number, because it is equal to n+sod(n) for n = 85044656999 and 85044657017.

It is not an unprimeable number, because it can be changed into a prime (85044657067) 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, 29692932 + ... + 29695795.

It is an arithmetic number, because the mean of its divisors is an integer number (10021847850).

Almost surely, 2^85044657064 is an apocalyptic number.

It is an amenable number.

85044657064 is a deficient number, since it is larger than the sum of its proper divisors (75304908536).

85044657064 is a wasteful number, since it uses less digits than its factorization.

85044657064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59388912 (or 59388908 counting only the distinct ones).

The product of its (nonzero) digits is 3225600, while the sum is 49.

The spelling of 85044657064 in words is "eighty-five billion, forty-four million, six hundred fifty-seven thousand, sixty-four".