84765850 has 24 divisors (see below), whose sum is σ = 169793820. Its totient is φ = 31297920.

The previous prime is 84765839. The next prime is 84765871. The reversal of 84765850 is 5856748.

It can be written as a sum of positive squares in 6 ways, for example, as 23941449 + 60824401 = 4893^2 + 7799^2 .

It is a junction number, because it is equal to n+sod(n) for n = 84765797 and 84765806.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 64555 + ... + 65854.

Almost surely, 2^84765850 is an apocalyptic number.

84765850 is an abundant number, since it is smaller than the sum of its proper divisors (85027970).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

84765850 is a wasteful number, since it uses less digits than its factorization.

84765850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130434 (or 130429 counting only the distinct ones).

The product of its (nonzero) digits is 268800, while the sum is 43.

The square root of 84765850 is about 9206.8371333482. The cubic root of 84765850 is about 439.2788635073.

The spelling of 84765850 in words is "eighty-four million, seven hundred sixty-five thousand, eight hundred fifty".