6378959000 has 64 divisors (see below), whose sum is σ = 15131413440. Its totient is φ = 2516601600.

The previous prime is 6378958967. The next prime is 6378959009. The reversal of 6378959000 is 9598736.

It is a super-2 number, since 2×6378959000² = 81382235847362000000, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6378959009) 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, 29309 + ... + 116691.

It is an arithmetic number, because the mean of its divisors is an integer number (236428335).

Almost surely, 2^6378959000 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 6378959000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7565706720).

6378959000 is an abundant number, since it is smaller than the sum of its proper divisors (8752454440).

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

6378959000 is a wasteful number, since it uses less digits than its factorization.

6378959000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87477 (or 87463 counting only the distinct ones).

The product of its (nonzero) digits is 408240, while the sum is 47.

The square root of 6378959000 is about 79868.3854851217. The cubic root of 6378959000 is about 1854.5986398044.

The spelling of 6378959000 in words is "six billion, three hundred seventy-eight million, nine hundred fifty-nine thousand".