84184426850 has 12 divisors (see below), whose sum is σ = 156583034034. Its totient is φ = 33673770720.

The previous prime is 84184426817. The next prime is 84184426883. The reversal of 84184426850 is 5862448148.

It is an interprime number because it is at equal distance from previous prime (84184426817) and next prime (84184426883).

It can be written as a sum of positive squares in 3 ways, for example, as 79917593809 + 4266833041 = 282697^2 + 65321^2 .

It is a Harshad number since it is a multiple of its sum of digits (50), and also a Moran number because the ratio is a prime number: 1683688537 = 84184426850 / (8 + 4 + 1 + 8 + 4 + 4 + 2 + 6 + 8 + 5 + 0).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 841844219 + ... + 841844318.

Almost surely, 2^84184426850 is an apocalyptic number.

84184426850 is a deficient number, since it is larger than the sum of its proper divisors (72398607184).

84184426850 is a wasteful number, since it uses less digits than its factorization.

84184426850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1683688549 (or 1683688544 counting only the distinct ones).

The product of its (nonzero) digits is 1966080, while the sum is 50.

The spelling of 84184426850 in words is "eighty-four billion, one hundred eighty-four million, four hundred twenty-six thousand, eight hundred fifty".