8428162797 has 6 divisors (see below), whose sum is σ = 12174012942. Its totient is φ = 5618775192.

The previous prime is 8428162753. The next prime is 8428162807. The reversal of 8428162797 is 7972618248.

It is a happy number.

8428162797 is a `hidden beast` number, since 8 + 4 + 2 + 8 + 1 + 627 + 9 + 7 = 666.

It can be written as a sum of positive squares in only one way, i.e., 5803240041 + 2624922756 = 76179^2 + 51234^2 .

It is not a de Polignac number, because 8428162797 - 2⁶ = 8428162733 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8428162997) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 468231258 + ... + 468231275.

It is an arithmetic number, because the mean of its divisors is an integer number (2029002157).

Almost surely, 2^8428162797 is an apocalyptic number.

It is an amenable number.

8428162797 is a deficient number, since it is larger than the sum of its proper divisors (3745850145).

8428162797 is a wasteful number, since it uses less digits than its factorization.

8428162797 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 936462539 (or 936462536 counting only the distinct ones).

The product of its digits is 2709504, while the sum is 54.

The square root of 8428162797 is about 91805.0259898662. The cubic root of 8428162797 is about 2035.0619702749.

The spelling of 8428162797 in words is "eight billion, four hundred twenty-eight million, one hundred sixty-two thousand, seven hundred ninety-seven".