84886147061 has 2 divisors, whose sum is σ = 84886147062. Its totient is φ = 84886147060.

The previous prime is 84886147057. The next prime is 84886147091. The reversal of 84886147061 is 16074168848.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 84735716836 + 150430225 = 291094^2 + 12265^2 .

It is a cyclic number.

It is not a de Polignac number, because 84886147061 - 2² = 84886147057 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 84886146994 and 84886147012.

It is a congruent number.

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, 42443073530 + 42443073531.

It is an arithmetic number, because the mean of its divisors is an integer number (42443073531).

Almost surely, 2^84886147061 is an apocalyptic number.

It is an amenable number.

84886147061 is a deficient number, since it is larger than the sum of its proper divisors (1).

84886147061 is an equidigital number, since it uses as much as digits as its factorization.

84886147061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2064384, while the sum is 53.

The spelling of 84886147061 in words is "eighty-four billion, eight hundred eighty-six million, one hundred forty-seven thousand, sixty-one".