8342508397 has 2 divisors, whose sum is σ = 8342508398. Its totient is φ = 8342508396.

The previous prime is 8342508371. The next prime is 8342508431. The reversal of 8342508397 is 7938052438.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5454413316 + 2888095081 = 73854^2 + 53741^2 .

It is a cyclic number.

It is not a de Polignac number, because 8342508397 - 2¹¹ = 8342506349 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 8342508397.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8342508197) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4171254198 + 4171254199.

It is an arithmetic number, because the mean of its divisors is an integer number (4171254199).

Almost surely, 2^8342508397 is an apocalyptic number.

It is an amenable number.

8342508397 is a deficient number, since it is larger than the sum of its proper divisors (1).

8342508397 is an equidigital number, since it uses as much as digits as its factorization.

8342508397 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1451520, while the sum is 49.

The square root of 8342508397 is about 91337.3329860249. The cubic root of 8342508397 is about 2028.1444534929.

The spelling of 8342508397 in words is "eight billion, three hundred forty-two million, five hundred eight thousand, three hundred ninety-seven".