84695409347 has 2 divisors, whose sum is σ = 84695409348. Its totient is φ = 84695409346.

The previous prime is 84695409307. The next prime is 84695409397. The reversal of 84695409347 is 74390459648.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 84695409347 - 2³² = 80400442051 is a prime.

It is not a weakly prime, because it can be changed into another prime (84695409307) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42347704673 + 42347704674.

It is an arithmetic number, because the mean of its divisors is an integer number (42347704674).

Almost surely, 2^84695409347 is an apocalyptic number.

84695409347 is a deficient number, since it is larger than the sum of its proper divisors (1).

84695409347 is an equidigital number, since it uses as much as digits as its factorization.

84695409347 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 26127360, while the sum is 59.

The spelling of 84695409347 in words is "eighty-four billion, six hundred ninety-five million, four hundred nine thousand, three hundred forty-seven".