84696835571 has 2 divisors, whose sum is σ = 84696835572. Its totient is φ = 84696835570.

The previous prime is 84696835543. The next prime is 84696835579. The reversal of 84696835571 is 17553869648.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-84696835571 is a prime.

It is not a weakly prime, because it can be changed into another prime (84696835579) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42348417785 + 42348417786.

It is an arithmetic number, because the mean of its divisors is an integer number (42348417786).

Almost surely, 2^84696835571 is an apocalyptic number.

84696835571 is a deficient number, since it is larger than the sum of its proper divisors (1).

84696835571 is an equidigital number, since it uses as much as digits as its factorization.

84696835571 is an evil number, because the sum of its binary digits is even.

The product of its digits is 43545600, while the sum is 62.

The spelling of 84696835571 in words is "eighty-four billion, six hundred ninety-six million, eight hundred thirty-five thousand, five hundred seventy-one".