850755 has 16 divisors (see below), whose sum is σ = 1393920. Its totient is φ = 442848.

The previous prime is 850753. The next prime is 850781. The reversal of 850755 is 557058.

It is a happy number.

It is not a de Polignac number, because 850755 - 2¹ = 850753 is a prime.

It is not an unprimeable number, because it can be changed into a prime (850753) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15 + ... + 1304.

It is an arithmetic number, because the mean of its divisors is an integer number (87120).

2⁸⁵⁰⁷⁵⁵ is an apocalyptic number.

850755 is a deficient number, since it is larger than the sum of its proper divisors (543165).

850755 is a wasteful number, since it uses less digits than its factorization.

850755 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1370.

The product of its (nonzero) digits is 7000, while the sum is 30.

The square root of 850755 is about 922.3638110854. The cubic root of 850755 is about 94.7548619881.

The spelling of 850755 in words is "eight hundred fifty thousand, seven hundred fifty-five".