8290308285 has 224 divisors, whose sum is σ = 18362400000. Its totient is φ = 3580101504.

The previous prime is 8290308253. The next prime is 8290308287. The reversal of 8290308285 is 5828030928.

It is not a de Polignac number, because 8290308285 - 2⁵ = 8290308253 is a prime.

It is a super-2 number, since 2×8290308285² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 8290308285.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8290308287) by changing a digit.

It is a polite number, since it can be written in 223 ways as a sum of consecutive naturals, for example, 23754291 + ... + 23754639.

It is an arithmetic number, because the mean of its divisors is an integer number (81975000).

Almost surely, 2^8290308285 is an apocalyptic number.

It is an amenable number.

8290308285 is an abundant number, since it is smaller than the sum of its proper divisors (10072091715).

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

8290308285 is an equidigital number, since it uses as much as digits as its factorization.

8290308285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 412 (or 383 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 45.

The square root of 8290308285 is about 91051.1300588850. The cubic root of 8290308285 is about 2023.9054825913.

The spelling of 8290308285 in words is "eight billion, two hundred ninety million, three hundred eight thousand, two hundred eighty-five".