84886147097 has 2 divisors, whose sum is σ = 84886147098. Its totient is φ = 84886147096.

The previous prime is 84886147091. The next prime is 84886147111. The reversal of 84886147097 is 79074168848.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 56197917721 + 28688229376 = 237061^2 + 169376^2 .

It is a cyclic number.

It is not a de Polignac number, because 84886147097 - 2²⁴ = 84869369881 is a prime.

It is not a weakly prime, because it can be changed into another prime (84886147091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42443073548 + 42443073549.

It is an arithmetic number, because the mean of its divisors is an integer number (42443073549).

Almost surely, 2^84886147097 is an apocalyptic number.

It is an amenable number.

84886147097 is a deficient number, since it is larger than the sum of its proper divisors (1).

84886147097 is an equidigital number, since it uses as much as digits as its factorization.

84886147097 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 21676032, while the sum is 62.

The spelling of 84886147097 in words is "eighty-four billion, eight hundred eighty-six million, one hundred forty-seven thousand, ninety-seven".