84702618850 has 12 divisors (see below), whose sum is σ = 157546871154. Its totient is φ = 33881047520.

The previous prime is 84702618839. The next prime is 84702618859. The reversal of 84702618850 is 5881620748.

It can be written as a sum of positive squares in 3 ways, for example, as 36868992169 + 47833626681 = 192013^2 + 218709^2 .

It is a junction number, because it is equal to n+sod(n) for n = 84702618794 and 84702618803.

It is not an unprimeable number, because it can be changed into a prime (84702618859) 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 in 5 ways as a sum of consecutive naturals, for example, 847026139 + ... + 847026238.

Almost surely, 2^84702618850 is an apocalyptic number.

84702618850 is a deficient number, since it is larger than the sum of its proper divisors (72844252304).

84702618850 is a wasteful number, since it uses less digits than its factorization.

84702618850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1694052389 (or 1694052384 counting only the distinct ones).

The product of its (nonzero) digits is 860160, while the sum is 49.

The spelling of 84702618850 in words is "eighty-four billion, seven hundred two million, six hundred eighteen thousand, eight hundred fifty".