7028424866 has 4 divisors (see below), whose sum is σ = 10542637302. Its totient is φ = 3514212432.

The previous prime is 7028424859. The next prime is 7028424911. The reversal of 7028424866 is 6684248207.

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

It can be written as a sum of positive squares in only one way, i.e., 6079476841 + 948948025 = 77971^2 + 30805^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 7028424866.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1757106215 + ... + 1757106218.

Almost surely, 2^7028424866 is an apocalyptic number.

7028424866 is a deficient number, since it is larger than the sum of its proper divisors (3514212436).

7028424866 is a wasteful number, since it uses less digits than its factorization.

7028424866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3514212435.

The product of its (nonzero) digits is 1032192, while the sum is 47.

The square root of 7028424866 is about 83835.7016192982. The cubic root of 7028424866 is about 1915.5169626905.

The spelling of 7028424866 in words is "seven billion, twenty-eight million, four hundred twenty-four thousand, eight hundred sixty-six".