850730631 has 16 divisors (see below), whose sum is σ = 1175990400. Its totient is φ = 546398048.

The previous prime is 850730623. The next prime is 850730653. The reversal of 850730631 is 136037058.

It is a happy number.

It is not a de Polignac number, because 850730631 - 2³ = 850730623 is a prime.

It is a super-2 number, since 2×850730631² = 1447485213043316322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 850730592 and 850730601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (850730611) 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, 30160 + ... + 51098.

It is an arithmetic number, because the mean of its divisors is an integer number (73499400).

Almost surely, 2^850730631 is an apocalyptic number.

850730631 is a deficient number, since it is larger than the sum of its proper divisors (325259769).

850730631 is a wasteful number, since it uses less digits than its factorization.

850730631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21438.

The product of its (nonzero) digits is 15120, while the sum is 33.

The square root of 850730631 is about 29167.2870010222. The cubic root of 850730631 is about 947.5395726099.

Adding to 850730631 its reverse (136037058), we get a palindrome (986767689).

The spelling of 850730631 in words is "eight hundred fifty million, seven hundred thirty thousand, six hundred thirty-one".