8028215385 has 32 divisors (see below), whose sum is σ = 12904522752. Its totient is φ = 4261973760.

The previous prime is 8028215383. The next prime is 8028215387. The reversal of 8028215385 is 5835128208.

It is an interprime number because it is at equal distance from previous prime (8028215383) and next prime (8028215387).

It is not a de Polignac number, because 8028215385 - 2¹ = 8028215383 is a prime.

It is not an unprimeable number, because it can be changed into a prime (8028215383) 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 31 ways as a sum of consecutive naturals, for example, 3613575 + ... + 3615795.

It is an arithmetic number, because the mean of its divisors is an integer number (403266336).

Almost surely, 2^8028215385 is an apocalyptic number.

It is an amenable number.

8028215385 is a deficient number, since it is larger than the sum of its proper divisors (4876307367).

8028215385 is a wasteful number, since it uses less digits than its factorization.

8028215385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3233.

The product of its (nonzero) digits is 153600, while the sum is 42.

The square root of 8028215385 is about 89600.3090675473. The cubic root of 8028215385 is about 2002.3485232232.

The spelling of 8028215385 in words is "eight billion, twenty-eight million, two hundred fifteen thousand, three hundred eighty-five".