3212757664 has 24 divisors (see below), whose sum is σ = 6529154688. Its totient is φ = 1554559680.

The previous prime is 3212757643. The next prime is 3212757679. The reversal of 3212757664 is 4667572123.

It is a self number, because there is not a number n which added to its sum of digits gives 3212757664.

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 3 ways as a sum of consecutive naturals, for example, 1618342 + ... + 1620325.

It is an arithmetic number, because the mean of its divisors is an integer number (272048112).

Almost surely, 2^3212757664 is an apocalyptic number.

It is an amenable number.

3212757664 is an abundant number, since it is smaller than the sum of its proper divisors (3316397024).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3212757664 is a wasteful number, since it uses less digits than its factorization.

3212757664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3238708 (or 3238700 counting only the distinct ones).

The product of its digits is 423360, while the sum is 43.

The square root of 3212757664 is about 56681.1932125639. The cubic root of 3212757664 is about 1475.5683209180.

The spelling of 3212757664 in words is "three billion, two hundred twelve million, seven hundred fifty-seven thousand, six hundred sixty-four".