850986031 has 4 divisors (see below), whose sum is σ = 972555472. Its totient is φ = 729416592.

The previous prime is 850986007. The next prime is 850986047. The reversal of 850986031 is 130689058.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 850986031 - 2⁹ = 850985519 is a prime.

It is a super-2 number, since 2×850986031² = 1448354449914265922, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (850986091) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60784710 + ... + 60784723.

It is an arithmetic number, because the mean of its divisors is an integer number (243138868).

Almost surely, 2^850986031 is an apocalyptic number.

850986031 is a deficient number, since it is larger than the sum of its proper divisors (121569441).

850986031 is a wasteful number, since it uses less digits than its factorization.

850986031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121569440.

The product of its (nonzero) digits is 51840, while the sum is 40.

The square root of 850986031 is about 29171.6648650707. The cubic root of 850986031 is about 947.6343842086.

The spelling of 850986031 in words is "eight hundred fifty million, nine hundred eighty-six thousand, thirty-one".