85335425617 has 8 divisors (see below), whose sum is σ = 92742807080. Its totient is φ = 78048489600.

The previous prime is 85335425611. The next prime is 85335425621. The reversal of 85335425617 is 71652453358.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1915456 + 85333510161 = 1384^2 + 292119^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-85335425617 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (85335425611) 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, 30109884 + ... + 30112717.

It is an arithmetic number, because the mean of its divisors is an integer number (11592850885).

Almost surely, 2^85335425617 is an apocalyptic number.

It is an amenable number.

85335425617 is a deficient number, since it is larger than the sum of its proper divisors (7407381463).

85335425617 is a wasteful number, since it uses less digits than its factorization.

85335425617 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60222723.

The product of its digits is 3024000, while the sum is 49.

The spelling of 85335425617 in words is "eighty-five billion, three hundred thirty-five million, four hundred twenty-five thousand, six hundred seventeen".