8285620560 has 80 divisors (see below), whose sum is σ = 29354775936. Its totient is φ = 1893855744.

The previous prime is 8285620489. The next prime is 8285620561. The reversal of 8285620560 is 650265828.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8285620561) 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 15 ways as a sum of consecutive naturals, for example, 2464279 + ... + 2467638.

Almost surely, 2^8285620560 is an apocalyptic number.

8285620560 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

8285620560 is an abundant number, since it is smaller than the sum of its proper divisors (21069155376).

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

8285620560 is a wasteful number, since it uses less digits than its factorization.

8285620560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4931940 (or 4931934 counting only the distinct ones).

The product of its (nonzero) digits is 230400, while the sum is 42.

The square root of 8285620560 is about 91025.3841518947. The cubic root of 8285620560 is about 2023.5239406434.

The spelling of 8285620560 in words is "eight billion, two hundred eighty-five million, six hundred twenty thousand, five hundred sixty".