850067745 has 32 divisors (see below), whose sum is σ = 1455003648. Its totient is φ = 422289408.

The previous prime is 850067717. The next prime is 850067789. The reversal of 850067745 is 547760058.

It is not a de Polignac number, because 850067745 - 2⁶ = 850067681 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 850067697 and 850067706.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7552 + ... + 41918.

It is an arithmetic number, because the mean of its divisors is an integer number (45468864).

Almost surely, 2^850067745 is an apocalyptic number.

850067745 is a gapful number since it is divisible by the number (85) formed by its first and last digit.

It is an amenable number.

850067745 is a deficient number, since it is larger than the sum of its proper divisors (604935903).

850067745 is a wasteful number, since it uses less digits than its factorization.

850067745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34489.

The product of its (nonzero) digits is 235200, while the sum is 42.

The square root of 850067745 is about 29155.9212682433. The cubic root of 850067745 is about 947.2934022769.

It can be divided in two parts, 8500 and 67745, that added together give a triangular number (76245 = T₃₉₀).

The spelling of 850067745 in words is "eight hundred fifty million, sixty-seven thousand, seven hundred forty-five".