4778671950 has 480 divisors, whose sum is σ = 15993663840. Its totient is φ = 1045094400.

The previous prime is 4778671949. The next prime is 4778671951. The reversal of 4778671950 is 591768774.

4778671950 is a `hidden beast` number, since 477 + 86 + 7 + 1 + 95 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (4778671949) and next prime (4778671951).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4778671951) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 239 ways as a sum of consecutive naturals, for example, 17005810 + ... + 17006090.

It is an arithmetic number, because the mean of its divisors is an integer number (33320133).

Almost surely, 2^4778671950 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4778671950, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7996831920).

4778671950 is an abundant number, since it is smaller than the sum of its proper divisors (11214991890).

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

4778671950 is a wasteful number, since it uses less digits than its factorization.

4778671950 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 354 (or 340 counting only the distinct ones).

The product of its (nonzero) digits is 2963520, while the sum is 54.

The square root of 4778671950 is about 69127.9389971956. The cubic root of 4778671950 is about 1684.3631801232.

The spelling of 4778671950 in words is "four billion, seven hundred seventy-eight million, six hundred seventy-one thousand, nine hundred fifty".