850850385077 has 12 divisors (see below), whose sum is σ = 1079743346496. Its totient is φ = 663000299640.

The previous prime is 850850385031. The next prime is 850850385083. The reversal of 850850385077 is 770583058058.

It is not a de Polignac number, because 850850385077 - 2⁶ = 850850385013 is a prime.

It is a super-3 number, since 3×850850385077³ (a number of 37 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (850850385377) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 789285533 + ... + 789286610.

It is an arithmetic number, because the mean of its divisors is an integer number (89978612208).

Almost surely, 2^850850385077 is an apocalyptic number.

It is an amenable number.

850850385077 is a deficient number, since it is larger than the sum of its proper divisors (228892961419).

850850385077 is a wasteful number, since it uses less digits than its factorization.

850850385077 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1578572168 (or 1578572161 counting only the distinct ones).

The product of its (nonzero) digits is 9408000, while the sum is 56.

The spelling of 850850385077 in words is "eight hundred fifty billion, eight hundred fifty million, three hundred eighty-five thousand, seventy-seven".