8432630785 has 16 divisors (see below), whose sum is σ = 10716558336. Its totient is φ = 6347996928.

The previous prime is 8432630779. The next prime is 8432630807. The reversal of 8432630785 is 5870362348.

It is not a de Polignac number, because 8432630785 - 2⁹ = 8432630273 is a prime.

It is a super-2 number, since 2×8432630785² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 783712 + ... + 794398.

It is an arithmetic number, because the mean of its divisors is an integer number (669784896).

Almost surely, 2^8432630785 is an apocalyptic number.

8432630785 is a gapful number since it is divisible by the number (85) formed by its first and last digit.

It is an amenable number.

8432630785 is a deficient number, since it is larger than the sum of its proper divisors (2283927551).

8432630785 is a wasteful number, since it uses less digits than its factorization.

8432630785 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19992.

The product of its (nonzero) digits is 967680, while the sum is 46.

The square root of 8432630785 is about 91829.3568800305. The cubic root of 8432630785 is about 2035.4215198156.

The spelling of 8432630785 in words is "eight billion, four hundred thirty-two million, six hundred thirty thousand, seven hundred eighty-five".