6378818950 has 48 divisors (see below), whose sum is σ = 13890298464. Its totient is φ = 2133676800.

The previous prime is 6378818939. The next prime is 6378818977. The reversal of 6378818950 is 598188736.

It is a junction number, because it is equal to n+sod(n) for n = 6378818891 and 6378818900.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 207909 + ... + 236608.

It is an arithmetic number, because the mean of its divisors is an integer number (289381218).

Almost surely, 2^6378818950 is an apocalyptic number.

6378818950 is an abundant number, since it is smaller than the sum of its proper divisors (7511479514).

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

6378818950 is a wasteful number, since it uses less digits than its factorization.

6378818950 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 444577 (or 444572 counting only the distinct ones).

The product of its (nonzero) digits is 2903040, while the sum is 55.

The square root of 6378818950 is about 79867.5087253884. The cubic root of 6378818950 is about 1854.5850671384.

The spelling of 6378818950 in words is "six billion, three hundred seventy-eight million, eight hundred eighteen thousand, nine hundred fifty".