84850816 has 16 divisors (see below), whose sum is σ = 169038990. Its totient is φ = 42425344.

The previous prime is 84850811. The next prime is 84850823. The reversal of 84850816 is 61805848.

It can be written as a sum of positive squares in only one way, i.e., 79281216 + 5569600 = 8904^2 + 2360^2 .

It is a tau number, because it is divible by the number of its divisors (16).

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (84850811) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 331321 + ... + 331576.

Almost surely, 2^84850816 is an apocalyptic number.

It is an amenable number.

84850816 is a deficient number, since it is larger than the sum of its proper divisors (84188174).

84850816 is an equidigital number, since it uses as much as digits as its factorization.

84850816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 662911 (or 662899 counting only the distinct ones).

The product of its (nonzero) digits is 61440, while the sum is 40.

The square root of 84850816 is about 9211.4502658376. The cubic root of 84850816 is about 439.4255865262.

The spelling of 84850816 in words is "eighty-four million, eight hundred fifty thousand, eight hundred sixteen".