8427708097 has 2 divisors, whose sum is σ = 8427708098. Its totient is φ = 8427708096.

The previous prime is 8427708059. The next prime is 8427708119. The reversal of 8427708097 is 7908077248.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7451832976 + 975875121 = 86324^2 + 31239^2 .

It is a cyclic number.

It is not a de Polignac number, because 8427708097 - 2⁷ = 8427707969 is a prime.

It is a super-2 number, since 2×8427708097² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (8427708017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4213854048 + 4213854049.

It is an arithmetic number, because the mean of its divisors is an integer number (4213854049).

Almost surely, 2^8427708097 is an apocalyptic number.

It is an amenable number.

8427708097 is a deficient number, since it is larger than the sum of its proper divisors (1).

8427708097 is an equidigital number, since it uses as much as digits as its factorization.

8427708097 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1580544, while the sum is 52.

The square root of 8427708097 is about 91802.5495125272. The cubic root of 8427708097 is about 2035.0253723693.

The spelling of 8427708097 in words is "eight billion, four hundred twenty-seven million, seven hundred eight thousand, ninety-seven".