850773123850 has 48 divisors (see below), whose sum is σ = 1707435639000. Its totient is φ = 313528550400.

The previous prime is 850773123847. The next prime is 850773123901. The reversal of 850773123850 is 58321377058.

It can be written as a sum of positive squares in 12 ways, for example, as 3266922649 + 847506201201 = 57157^2 + 920601^2 .

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 850773123794 and 850773123803.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 917475 + ... + 1594774.

Almost surely, 2^850773123850 is an apocalyptic number.

850773123850 is an abundant number, since it is smaller than the sum of its proper divisors (856662515150).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

850773123850 is a wasteful number, since it uses less digits than its factorization.

850773123850 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2512795 (or 2512790 counting only the distinct ones).

The product of its (nonzero) digits is 1411200, while the sum is 49.

The spelling of 850773123850 in words is "eight hundred fifty billion, seven hundred seventy-three million, one hundred twenty-three thousand, eight hundred fifty".