85463364564 has 36 divisors (see below), whose sum is σ = 216124888980. Its totient is φ = 28475591040.

The previous prime is 85463364551. The next prime is 85463364583. The reversal of 85463364564 is 46546336458.

85463364564 is a `hidden beast` number, since 8 + 5 + 46 + 3 + 36 + 4 + 564 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 20383272900 + 65080091664 = 142770^2 + 255108^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a self number, because there is not a number n which added to its sum of digits gives 85463364564.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 422769 + ... + 591320.

Almost surely, 2^85463364564 is an apocalyptic number.

It is an amenable number.

85463364564 is an abundant number, since it is smaller than the sum of its proper divisors (130661524416).

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

85463364564 is a wasteful number, since it uses less digits than its factorization.

85463364564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1016440 (or 1016435 counting only the distinct ones).

The product of its digits is 24883200, while the sum is 54.

The spelling of 85463364564 in words is "eighty-five billion, four hundred sixty-three million, three hundred sixty-four thousand, five hundred sixty-four".