6399876948 has 48 divisors (see below), whose sum is σ = 15455415360. Its totient is φ = 2058739200.

The previous prime is 6399876947. The next prime is 6399876949. The reversal of 6399876948 is 8496789936.

It is an interprime number because it is at equal distance from previous prime (6399876947) and next prime (6399876949).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6399876943) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1156428 + ... + 1161948.

It is an arithmetic number, because the mean of its divisors is an integer number (321987820).

Almost surely, 2^6399876948 is an apocalyptic number.

It is an amenable number.

6399876948 is an abundant number, since it is smaller than the sum of its proper divisors (9055538412).

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

6399876948 is a wasteful number, since it uses less digits than its factorization.

6399876948 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8888 (or 8886 counting only the distinct ones).

The product of its digits is 141087744, while the sum is 69.

The square root of 6399876948 is about 79999.2309213032. The cubic root of 6399876948 is about 1856.6236342691.

The spelling of 6399876948 in words is "six billion, three hundred ninety-nine million, eight hundred seventy-six thousand, nine hundred forty-eight".