8285791582545 has 32 divisors (see below), whose sum is σ = 13444505763840. Its totient is φ = 4356680556480.

The previous prime is 8285791582511. The next prime is 8285791582619. The reversal of 8285791582545 is 5452851975828.

It is not a de Polignac number, because 8285791582545 - 2⁷ = 8285791582417 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 8285791582545.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 30493072 + ... + 30763598.

It is an arithmetic number, because the mean of its divisors is an integer number (420140805120).

Almost surely, 2^{8285791582545} is an apocalyptic number.

It is an amenable number.

8285791582545 is a deficient number, since it is larger than the sum of its proper divisors (5158714181295).

8285791582545 is a wasteful number, since it uses less digits than its factorization.

8285791582545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 299365.

The product of its digits is 322560000, while the sum is 69.

The spelling of 8285791582545 in words is "eight trillion, two hundred eighty-five billion, seven hundred ninety-one million, five hundred eighty-two thousand, five hundred forty-five".