85247681560 has 32 divisors (see below), whose sum is σ = 191827893600. Its totient is φ = 34095408640.

The previous prime is 85247681443. The next prime is 85247681639. The reversal of 85247681560 is 6518674258.

It is a happy number.

It is a super-2 number, since 2×85247681560² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 85247681498 and 85247681507.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 279120 + ... + 498400.

It is an arithmetic number, because the mean of its divisors is an integer number (5994621675).

Almost surely, 2^85247681560 is an apocalyptic number.

It is an amenable number.

85247681560 is an abundant number, since it is smaller than the sum of its proper divisors (106580212040).

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

85247681560 is a wasteful number, since it uses less digits than its factorization.

85247681560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 229011 (or 229007 counting only the distinct ones).

The product of its (nonzero) digits is 3225600, while the sum is 52.

The spelling of 85247681560 in words is "eighty-five billion, two hundred forty-seven million, six hundred eighty-one thousand, five hundred sixty".