8428597555 has 24 divisors (see below), whose sum is σ = 12171355920. Its totient is φ = 5580308160.

The previous prime is 8428597493. The next prime is 8428597601. The reversal of 8428597555 is 5557958248.

8428597555 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 8428597555 - 2¹³ = 8428589363 is a prime.

It is a Smith number, since the sum of its digits (58) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 8428597555.

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 23 ways as a sum of consecutive naturals, for example, 586041 + ... + 600250.

It is an arithmetic number, because the mean of its divisors is an integer number (507139830).

Almost surely, 2^8428597555 is an apocalyptic number.

8428597555 is a deficient number, since it is larger than the sum of its proper divisors (3742758365).

8428597555 is a wasteful number, since it uses less digits than its factorization.

8428597555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1186339 (or 1186332 counting only the distinct ones).

The product of its digits is 20160000, while the sum is 58.

The square root of 8428597555 is about 91807.3937926570. The cubic root of 8428597555 is about 2035.0969618573.

The spelling of 8428597555 in words is "eight billion, four hundred twenty-eight million, five hundred ninety-seven thousand, five hundred fifty-five".