7464386866 has 12 divisors (see below), whose sum is σ = 11210737662. Its totient is φ = 3727478976.

The previous prime is 7464386861. The next prime is 7464386869. The reversal of 7464386866 is 6686834647.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 4453560225 + 3010826641 = 66735^2 + 54871^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 7464386866.

It is not an unprimeable number, because it can be changed into a prime (7464386861) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4397730 + ... + 4399426.

Almost surely, 2^7464386866 is an apocalyptic number.

7464386866 is a deficient number, since it is larger than the sum of its proper divisors (3746350796).

7464386866 is an equidigital number, since it uses as much as digits as its factorization.

7464386866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4665 (or 3182 counting only the distinct ones).

The product of its digits is 27869184, while the sum is 58.

The square root of 7464386866 is about 86396.6831886502. The cubic root of 7464386866 is about 1954.3306657885.

The spelling of 7464386866 in words is "seven billion, four hundred sixty-four million, three hundred eighty-six thousand, eight hundred sixty-six".