85767518652 has 96 divisors (see below), whose sum is σ = 213586813440. Its totient is φ = 26693437440.

The previous prime is 85767518609. The next prime is 85767518677. The reversal of 85767518652 is 25681576758.

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, 19450624 + ... + 19455032.

It is an arithmetic number, because the mean of its divisors is an integer number (2224862640).

Almost surely, 2^85767518652 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 85767518652, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (106793406720).

85767518652 is an abundant number, since it is smaller than the sum of its proper divisors (127819294788).

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

85767518652 is a wasteful number, since it uses less digits than its factorization.

85767518652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5171 (or 5169 counting only the distinct ones).

The product of its digits is 28224000, while the sum is 60.

The spelling of 85767518652 in words is "eighty-five billion, seven hundred sixty-seven million, five hundred eighteen thousand, six hundred fifty-two".