4974778512 has 240 divisors, whose sum is σ = 16524984000. Its totient is φ = 1427880960.

The previous prime is 4974778511. The next prime is 4974778517. The reversal of 4974778512 is 2158774794.

4974778512 is a `hidden beast` number, since 4 + 97 + 477 + 85 + 1 + 2 = 666.

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

It is not an unprimeable number, because it can be changed into a prime (4974778511) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 990664 + ... + 995672.

It is an arithmetic number, because the mean of its divisors is an integer number (68854100).

Almost surely, 2^4974778512 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 4974778512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8262492000).

4974778512 is an abundant number, since it is smaller than the sum of its proper divisors (11550205488).

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

4974778512 is a wasteful number, since it uses less digits than its factorization.

4974778512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5067 (or 5044 counting only the distinct ones).

The product of its digits is 3951360, while the sum is 54.

The square root of 4974778512 is about 70532.1097940505. The cubic root of 4974778512 is about 1707.0958894247.

The spelling of 4974778512 in words is "four billion, nine hundred seventy-four million, seven hundred seventy-eight thousand, five hundred twelve".