8257605433 has 12 divisors (see below), whose sum is σ = 10373191360. Its totient is φ = 6434497080.

The previous prime is 8257605407. The next prime is 8257605437. The reversal of 8257605433 is 3345067528.

It is not a de Polignac number, because 8257605433 - 2⁵ = 8257605401 is a prime.

It is a super-2 number, since 2×8257605433² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 8257605433.

It is not an unprimeable number, because it can be changed into a prime (8257605437) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 4873773 + ... + 4875466.

Almost surely, 2^8257605433 is an apocalyptic number.

It is an amenable number.

8257605433 is a deficient number, since it is larger than the sum of its proper divisors (2115585927).

8257605433 is a wasteful number, since it uses less digits than its factorization.

8257605433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9749268 (or 9749257 counting only the distinct ones).

The product of its (nonzero) digits is 604800, while the sum is 43.

The square root of 8257605433 is about 90871.3675092435. The cubic root of 8257605433 is about 2021.2407363791.

The spelling of 8257605433 in words is "eight billion, two hundred fifty-seven million, six hundred five thousand, four hundred thirty-three".