85637335062864 has 40 divisors (see below), whose sum is σ = 238247457804832. Its totient is φ = 26349949249920.

The previous prime is 85637335062859. The next prime is 85637335062913. The reversal of 85637335062864 is 46826053373658.

It is a junction number, because it is equal to n+sod(n) for n = 85637335062795 and 85637335062804.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68619658882 + ... + 68619660129.

Almost surely, 2^{85637335062864} is an apocalyptic number.

It is an amenable number.

85637335062864 is an abundant number, since it is smaller than the sum of its proper divisors (152610122741968).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

85637335062864 is a wasteful number, since it uses less digits than its factorization.

85637335062864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137239319035 (or 137239319029 counting only the distinct ones).

The product of its (nonzero) digits is 522547200, while the sum is 66.

The spelling of 85637335062864 in words is "eighty-five trillion, six hundred thirty-seven billion, three hundred thirty-five million, sixty-two thousand, eight hundred sixty-four".