3213478979 has 8 divisors (see below), whose sum is σ = 3233790000. Its totient is φ = 3193188256.

The previous prime is 3213478903. The next prime is 3213478997. The reversal of 3213478979 is 9798743123.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3213478979 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3213478979.

It is not an unprimeable number, because it can be changed into a prime (3213478579) 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 7 ways as a sum of consecutive naturals, for example, 424772 + ... + 432270.

It is an arithmetic number, because the mean of its divisors is an integer number (404223750).

Almost surely, 2^3213478979 is an apocalyptic number.

3213478979 is a deficient number, since it is larger than the sum of its proper divisors (20311021).

3213478979 is a wasteful number, since it uses less digits than its factorization.

3213478979 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10149.

The product of its digits is 2286144, while the sum is 53.

The square root of 3213478979 is about 56687.5557684400. Note that the first 3 decimals coincide. The cubic root of 3213478979 is about 1475.6787421438.

The spelling of 3213478979 in words is "three billion, two hundred thirteen million, four hundred seventy-eight thousand, nine hundred seventy-nine".