85648134077 has 8 divisors (see below), whose sum is σ = 93441839232. Its totient is φ = 77855680800.

The previous prime is 85648134073. The next prime is 85648134083. The reversal of 85648134077 is 77043184658.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 85648134077 - 2² = 85648134073 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85648134073) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 166949 + ... + 446282.

It is an arithmetic number, because the mean of its divisors is an integer number (11680229904).

Almost surely, 2^85648134077 is an apocalyptic number.

It is an amenable number.

85648134077 is a deficient number, since it is larger than the sum of its proper divisors (7793705155).

85648134077 is a wasteful number, since it uses less digits than its factorization.

85648134077 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 625939.

The product of its (nonzero) digits is 4515840, while the sum is 53.

The spelling of 85648134077 in words is "eighty-five billion, six hundred forty-eight million, one hundred thirty-four thousand, seventy-seven".