85216315036 has 6 divisors (see below), whose sum is σ = 149128551320. Its totient is φ = 42608157516.

The previous prime is 85216314977. The next prime is 85216315039. The reversal of 85216315036 is 63051361258.

It is a self number, because there is not a number n which added to its sum of digits gives 85216315036.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85216315039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10652039376 + ... + 10652039383.

Almost surely, 2^85216315036 is an apocalyptic number.

It is an amenable number.

85216315036 is a deficient number, since it is larger than the sum of its proper divisors (63912236284).

85216315036 is a wasteful number, since it uses less digits than its factorization.

85216315036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21304078763 (or 21304078761 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 40.

The spelling of 85216315036 in words is "eighty-five billion, two hundred sixteen million, three hundred fifteen thousand, thirty-six".