8089785856 has 20 divisors (see below), whose sum is σ = 16163772372. Its totient is φ = 4044892672.

The previous prime is 8089785853. The next prime is 8089785859. The reversal of 8089785856 is 6585879808.

It is an interprime number because it is at equal distance from previous prime (8089785853) and next prime (8089785859).

It is a Harshad number since it is a multiple of its sum of digits (64).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8089785853) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7899670 + ... + 7900693.

Almost surely, 2^8089785856 is an apocalyptic number.

It is an amenable number.

8089785856 is a deficient number, since it is larger than the sum of its proper divisors (8073986516).

8089785856 is an equidigital number, since it uses as much as digits as its factorization.

8089785856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15800381 (or 15800365 counting only the distinct ones).

The product of its (nonzero) digits is 38707200, while the sum is 64.

The square root of 8089785856 is about 89943.2368552522. The cubic root of 8089785856 is about 2007.4543365817.

It can be divided in two parts, 80897 and 85856, that added together give a triangular number (166753 = T₅₇₇).

The spelling of 8089785856 in words is "eight billion, eighty-nine million, seven hundred eighty-five thousand, eight hundred fifty-six".