8265665628 has 48 divisors (see below), whose sum is σ = 23377643520. Its totient is φ = 2504746800.

The previous prime is 8265665609. The next prime is 8265665651.

8265665628 is a `hidden beast` number, since 8 + 2 + 6 + 5 + 6 + 6 + 5 + 628 = 666.

8265665628 is nontrivially palindromic in base 10.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3477628 + ... + 3480003.

It is an arithmetic number, because the mean of its divisors is an integer number (487034240).

Almost surely, 2^8265665628 is an apocalyptic number.

It is an amenable number.

8265665628 is an abundant number, since it is smaller than the sum of its proper divisors (15111977892).

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

8265665628 is a wasteful number, since it uses less digits than its factorization.

8265665628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6957655 (or 6957647 counting only the distinct ones).

The product of its digits is 8294400, while the sum is 54.

The square root of 8265665628 is about 90915.7061678564. The cubic root of 8265665628 is about 2021.8981625048.

The spelling of 8265665628 in words is "eight billion, two hundred sixty-five million, six hundred sixty-five thousand, six hundred twenty-eight".