85532463680 has 28 divisors (see below), whose sum is σ = 203674179900. Its totient is φ = 34212985344.

The previous prime is 85532463649. The next prime is 85532463697. The reversal of 85532463680 is 8636423558.

It can be written as a sum of positive squares in 2 ways, for example, as 20307390016 + 65225073664 = 142504^2 + 255392^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 133644155 + ... + 133644794.

Almost surely, 2^85532463680 is an apocalyptic number.

85532463680 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

85532463680 is an abundant number, since it is smaller than the sum of its proper divisors (118141716220).

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

85532463680 is a wasteful number, since it uses less digits than its factorization.

85532463680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 267288966 (or 267288956 counting only the distinct ones).

The product of its (nonzero) digits is 4147200, while the sum is 50.

The spelling of 85532463680 in words is "eighty-five billion, five hundred thirty-two million, four hundred sixty-three thousand, six hundred eighty".