84073785 has 16 divisors (see below), whose sum is σ = 134637504. Its totient is φ = 44799552.

The previous prime is 84073777. The next prime is 84073831. The reversal of 84073785 is 58737048.

It is not a de Polignac number, because 84073785 - 2³ = 84073777 is a prime.

It is a Curzon number.

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 15 ways as a sum of consecutive naturals, for example, 24219 + ... + 27471.

It is an arithmetic number, because the mean of its divisors is an integer number (8414844).

Almost surely, 2^84073785 is an apocalyptic number.

It is an amenable number.

84073785 is a deficient number, since it is larger than the sum of its proper divisors (50563719).

84073785 is a wasteful number, since it uses less digits than its factorization.

84073785 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4984.

The product of its (nonzero) digits is 188160, while the sum is 42.

The square root of 84073785 is about 9169.1758081084. The cubic root of 84073785 is about 438.0801077390.

The spelling of 84073785 in words is "eighty-four million, seventy-three thousand, seven hundred eighty-five".