85715303248 has 20 divisors (see below), whose sum is σ = 171800069940. Its totient is φ = 41379801344.

The previous prime is 85715303243. The next prime is 85715303287. The reversal of 85715303248 is 84230351758.

It can be written as a sum of positive squares in 2 ways, for example, as 63409283344 + 22306019904 = 251812^2 + 149352^2 .

It is a super-2 number, since 2×85715303248² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 85715303198 and 85715303207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85715303243) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 92365165 + ... + 92366092.

It is an arithmetic number, because the mean of its divisors is an integer number (8590003497).

Almost surely, 2^85715303248 is an apocalyptic number.

It is an amenable number.

85715303248 is an abundant number, since it is smaller than the sum of its proper divisors (86084766692).

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

85715303248 is a wasteful number, since it uses less digits than its factorization.

85715303248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 184731294 (or 184731288 counting only the distinct ones).

The product of its (nonzero) digits is 806400, while the sum is 46.

The spelling of 85715303248 in words is "eighty-five billion, seven hundred fifteen million, three hundred three thousand, two hundred forty-eight".