84691477189 has 8 divisors (see below), whose sum is σ = 92512759968. Its totient is φ = 76890537360.

The previous prime is 84691477163. The next prime is 84691477193. The reversal of 84691477189 is 98177419648.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 84691477189 - 2¹³ = 84691468997 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 84691477189.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84691477109) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5077027 + ... + 5093680.

It is an arithmetic number, because the mean of its divisors is an integer number (11564094996).

Almost surely, 2^84691477189 is an apocalyptic number.

It is an amenable number.

84691477189 is a deficient number, since it is larger than the sum of its proper divisors (7821282779).

84691477189 is a wasteful number, since it uses less digits than its factorization.

84691477189 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10171475.

The product of its digits is 24385536, while the sum is 64.

The spelling of 84691477189 in words is "eighty-four billion, six hundred ninety-one million, four hundred seventy-seven thousand, one hundred eighty-nine".