8305857652 has 18 divisors (see below), whose sum is σ = 15019262034. Its totient is φ = 4018961520.

The previous prime is 8305857647. The next prime is 8305857667. The reversal of 8305857652 is 2567585038.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 8171436816 + 134420836 = 90396^2 + 11594^2 .

It is a junction number, because it is equal to n+sod(n) for n = 8305857596 and 8305857605.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1076523 + ... + 1084210.

Almost surely, 2^8305857652 is an apocalyptic number.

It is an amenable number.

8305857652 is a deficient number, since it is larger than the sum of its proper divisors (6713404382).

8305857652 is a wasteful number, since it uses less digits than its factorization.

8305857652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2160799 (or 2160766 counting only the distinct ones).

The product of its (nonzero) digits is 2016000, while the sum is 49.

The square root of 8305857652 is about 91136.4781632470. The cubic root of 8305857652 is about 2025.1700432932.

The spelling of 8305857652 in words is "eight billion, three hundred five million, eight hundred fifty-seven thousand, six hundred fifty-two".