8245558365 has 64 divisors (see below), whose sum is σ = 15257071872. Its totient is φ = 3758182400.

The previous prime is 8245558361. The next prime is 8245558417. The reversal of 8245558365 is 5638555428.

It is a happy number.

It is not a de Polignac number, because 8245558365 - 2² = 8245558361 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8245558361) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3850195 + ... + 3852335.

It is an arithmetic number, because the mean of its divisors is an integer number (238391748).

Almost surely, 2^8245558365 is an apocalyptic number.

8245558365 is a gapful number since it is divisible by the number (85) formed by its first and last digit.

It is an amenable number.

8245558365 is a deficient number, since it is larger than the sum of its proper divisors (7011513507).

8245558365 is a wasteful number, since it uses less digits than its factorization.

8245558365 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3550.

The product of its digits is 5760000, while the sum is 51.

The square root of 8245558365 is about 90805.0569351729. The cubic root of 8245558365 is about 2020.2573247487.

The spelling of 8245558365 in words is "eight billion, two hundred forty-five million, five hundred fifty-eight thousand, three hundred sixty-five".