850117430 has 16 divisors (see below), whose sum is σ = 1556148240. Its totient is φ = 334283232.

The previous prime is 850117391. The next prime is 850117441. The reversal of 850117430 is 34711058.

It is a junction number, because it is equal to n+sod(n) for n = 850117393 and 850117402.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 719849 + ... + 721028.

It is an arithmetic number, because the mean of its divisors is an integer number (97259265).

Almost surely, 2^850117430 is an apocalyptic number.

850117430 is a deficient number, since it is larger than the sum of its proper divisors (706030810).

850117430 is a wasteful number, since it uses less digits than its factorization.

850117430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1440943.

The product of its (nonzero) digits is 3360, while the sum is 29.

The square root of 850117430 is about 29156.7733125598. The cubic root of 850117430 is about 947.3118578082.

Adding to 850117430 its reverse (34711058), we get a palindrome (884828488).

The spelling of 850117430 in words is "eight hundred fifty million, one hundred seventeen thousand, four hundred thirty".