85868643281532 has 48 divisors (see below), whose sum is σ = 201164976802944. Its totient is φ = 28507915800000.

The previous prime is 85868643281521. The next prime is 85868643281543. The reversal of 85868643281532 is 23518234686858.

It is an interprime number because it is at equal distance from previous prime (85868643281521) and next prime (85868643281543).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 95154807 + ... + 96052977.

It is an arithmetic number, because the mean of its divisors is an integer number (4190937016728).

Almost surely, 2^{85868643281532} is an apocalyptic number.

It is an amenable number.

85868643281532 is an abundant number, since it is smaller than the sum of its proper divisors (115296333521412).

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

85868643281532 is a wasteful number, since it uses less digits than its factorization.

85868643281532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 930170 (or 930168 counting only the distinct ones).

The product of its digits is 530841600, while the sum is 69.

The spelling of 85868643281532 in words is "eighty-five trillion, eight hundred sixty-eight billion, six hundred forty-three million, two hundred eighty-one thousand, five hundred thirty-two".