617288828022 has 16 divisors (see below), whose sum is σ = 1371752951280. Its totient is φ = 205762942656.

The previous prime is 617288828021. The next prime is 617288828033. The reversal of 617288828022 is 220828882716.

617288828022 is a `hidden beast` number, since 61 + 7 + 288 + 8 + 280 + 22 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54), and also a Moran number because the ratio is a prime number: 11431274593 = 617288828022 / (6 + 1 + 7 + 2 + 8 + 8 + 8 + 2 + 8 + 0 + 2 + 2).

It is a self number, because there is not a number n which added to its sum of digits gives 617288828022.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (617288828021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5715637243 + ... + 5715637350.

It is an arithmetic number, because the mean of its divisors is an integer number (85734559455).

Almost surely, 2^617288828022 is an apocalyptic number.

617288828022 is an abundant number, since it is smaller than the sum of its proper divisors (754464123258).

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

617288828022 is a wasteful number, since it uses less digits than its factorization.

617288828022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11431274604 (or 11431274598 counting only the distinct ones).

The product of its (nonzero) digits is 2752512, while the sum is 54.

The spelling of 617288828022 in words is "six hundred seventeen billion, two hundred eighty-eight million, eight hundred twenty-eight thousand, twenty-two".