6279399264 has 96 divisors (see below), whose sum is σ = 16993549440. Its totient is φ = 2029335552.

The previous prime is 6279399229. The next prime is 6279399283. The reversal of 6279399264 is 4629939726.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (96).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 405879 + ... + 421065.

It is an arithmetic number, because the mean of its divisors is an integer number (177016140).

Almost surely, 2^6279399264 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6279399264, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8496774720).

6279399264 is an abundant number, since it is smaller than the sum of its proper divisors (10714150176).

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

6279399264 is a wasteful number, since it uses less digits than its factorization.

6279399264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15332 (or 15324 counting only the distinct ones).

The product of its digits is 8817984, while the sum is 57.

The square root of 6279399264 is about 79242.6606317582. The cubic root of 6279399264 is about 1844.8994409099.

The spelling of 6279399264 in words is "six billion, two hundred seventy-nine million, three hundred ninety-nine thousand, two hundred sixty-four".