85358299636 has 6 divisors (see below), whose sum is σ = 149377024370. Its totient is φ = 42679149816.

The previous prime is 85358299571. The next prime is 85358299673. The reversal of 85358299636 is 63699285358.

It can be written as a sum of positive squares in only one way, i.e., 56885112036 + 28473187600 = 238506^2 + 168740^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10669787451 + ... + 10669787458.

Almost surely, 2^85358299636 is an apocalyptic number.

It is an amenable number.

85358299636 is a deficient number, since it is larger than the sum of its proper divisors (64018724734).

85358299636 is a wasteful number, since it uses less digits than its factorization.

85358299636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21339574913 (or 21339574911 counting only the distinct ones).

The product of its digits is 83980800, while the sum is 64.

The spelling of 85358299636 in words is "eighty-five billion, three hundred fifty-eight million, two hundred ninety-nine thousand, six hundred thirty-six".