8428225097 has 4 divisors (see below), whose sum is σ = 8451190656. Its totient is φ = 8405259540.

The previous prime is 8428225093. The next prime is 8428225109. The reversal of 8428225097 is 7905228248.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 8428225097 - 2² = 8428225093 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8428225093) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11482229 + ... + 11482962.

It is an arithmetic number, because the mean of its divisors is an integer number (2112797664).

Almost surely, 2^8428225097 is an apocalyptic number.

It is an amenable number.

8428225097 is a deficient number, since it is larger than the sum of its proper divisors (22965559).

8428225097 is a wasteful number, since it uses less digits than its factorization.

8428225097 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22965558.

The product of its (nonzero) digits is 645120, while the sum is 47.

The square root of 8428225097 is about 91805.3652952811. The cubic root of 8428225097 is about 2035.0669845764.

The spelling of 8428225097 in words is "eight billion, four hundred twenty-eight million, two hundred twenty-five thousand, ninety-seven".