85622971935 has 32 divisors (see below), whose sum is σ = 139088662272. Its totient is φ = 44968746240.

The previous prime is 85622971927. The next prime is 85622971957. The reversal of 85622971935 is 53917922658.

It is a happy number.

It is not a de Polignac number, because 85622971935 - 2³ = 85622971927 is a prime.

It is a Smith number, since the sum of its digits (57) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3334867 + ... + 3360443.

It is an arithmetic number, because the mean of its divisors is an integer number (4346520696).

Almost surely, 2^85622971935 is an apocalyptic number.

85622971935 is a deficient number, since it is larger than the sum of its proper divisors (53465690337).

85622971935 is a wasteful number, since it uses less digits than its factorization.

85622971935 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28983.

The product of its digits is 8164800, while the sum is 57.

The spelling of 85622971935 in words is "eighty-five billion, six hundred twenty-two million, nine hundred seventy-one thousand, nine hundred thirty-five".