8018630785 has 8 divisors (see below), whose sum is σ = 10497116736. Its totient is φ = 5831731440.

The previous prime is 8018630759. The next prime is 8018630797. The reversal of 8018630785 is 5870368108.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 8018630785 - 2⁹ = 8018630273 is a prime.

It is a super-2 number, since 2×8018630785² (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 (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72896589 + ... + 72896698.

It is an arithmetic number, because the mean of its divisors is an integer number (1312139592).

Almost surely, 2^8018630785 is an apocalyptic number.

It is an amenable number.

8018630785 is a deficient number, since it is larger than the sum of its proper divisors (2478485951).

8018630785 is a wasteful number, since it uses less digits than its factorization.

8018630785 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145793303.

The product of its (nonzero) digits is 322560, while the sum is 46.

The square root of 8018630785 is about 89546.8077878826. The cubic root of 8018630785 is about 2001.5513617439.

The spelling of 8018630785 in words is "eight billion, eighteen million, six hundred thirty thousand, seven hundred eighty-five".