6448772015 has 8 divisors (see below), whose sum is σ = 8844030240. Its totient is φ = 4422015072.

The previous prime is 6448772003. The next prime is 6448772041. The reversal of 6448772015 is 5102778446.

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

It is a cyclic number.

It is not a de Polignac number, because 6448772015 - 2⁴ = 6448771999 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 92125280 + ... + 92125349.

It is an arithmetic number, because the mean of its divisors is an integer number (1105503780).

Almost surely, 2^6448772015 is an apocalyptic number.

6448772015 is a deficient number, since it is larger than the sum of its proper divisors (2395258225).

6448772015 is a wasteful number, since it uses less digits than its factorization.

6448772015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 184250641.

The product of its (nonzero) digits is 376320, while the sum is 44.

The square root of 6448772015 is about 80304.2465564555. The cubic root of 6448772015 is about 1861.3398461717.

The spelling of 6448772015 in words is "six billion, four hundred forty-eight million, seven hundred seventy-two thousand, fifteen".