8016870397 has 2 divisors, whose sum is σ = 8016870398. Its totient is φ = 8016870396.

The previous prime is 8016870391. The next prime is 8016870451. The reversal of 8016870397 is 7930786108.

8016870397 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7830657081 + 186213316 = 88491^2 + 13646^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8016870397 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 8016870397.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8016870391) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4008435198 + 4008435199.

It is an arithmetic number, because the mean of its divisors is an integer number (4008435199).

Almost surely, 2^8016870397 is an apocalyptic number.

It is an amenable number.

8016870397 is a deficient number, since it is larger than the sum of its proper divisors (1).

8016870397 is an equidigital number, since it uses as much as digits as its factorization.

8016870397 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 508032, while the sum is 49.

The square root of 8016870397 is about 89536.9778192228. The cubic root of 8016870397 is about 2001.4048793426.

The spelling of 8016870397 in words is "eight billion, sixteen million, eight hundred seventy thousand, three hundred ninety-seven".