8627142697 has 2 divisors, whose sum is σ = 8627142698. Its totient is φ = 8627142696.

The previous prime is 8627142659. The next prime is 8627142731. The reversal of 8627142697 is 7962417268.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5695569961 + 2931572736 = 75469^2 + 54144^2 .

It is a cyclic number.

It is not a de Polignac number, because 8627142697 - 2¹¹ = 8627140649 is a prime.

It is a super-2 number, since 2×8627142697² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (8627142617) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4313571348 + 4313571349.

It is an arithmetic number, because the mean of its divisors is an integer number (4313571349).

Almost surely, 2^8627142697 is an apocalyptic number.

It is an amenable number.

8627142697 is a deficient number, since it is larger than the sum of its proper divisors (1).

8627142697 is an equidigital number, since it uses as much as digits as its factorization.

8627142697 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2032128, while the sum is 52.

The square root of 8627142697 is about 92882.4132815249. The cubic root of 8627142697 is about 2050.9527751961.

The spelling of 8627142697 in words is "eight billion, six hundred twenty-seven million, one hundred forty-two thousand, six hundred ninety-seven".