789468643 has 4 divisors (see below), whose sum is σ = 791668080. Its totient is φ = 787269208.

The previous prime is 789468607. The next prime is 789468679. The reversal of 789468643 is 346864987.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 346864987 = 7 ⋅49552141.

It is an interprime number because it is at equal distance from previous prime (789468607) and next prime (789468679).

It is a cyclic number.

It is not a de Polignac number, because 789468643 - 2²¹ = 787371491 is a prime.

It is a super-2 number, since 2×789468643² = 1246521476560522898, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (789468683) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 1099180 + ... + 1099897.

It is an arithmetic number, because the mean of its divisors is an integer number (197917020).

Almost surely, 2^789468643 is an apocalyptic number.

789468643 is a deficient number, since it is larger than the sum of its proper divisors (2199437).

789468643 is a wasteful number, since it uses less digits than its factorization.

789468643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2199436.

The product of its digits is 6967296, while the sum is 55.

The square root of 789468643 is about 28097.4846383088. The cubic root of 789468643 is about 924.2262408812.

The spelling of 789468643 in words is "seven hundred eighty-nine million, four hundred sixty-eight thousand, six hundred forty-three".