4897779264 has 448 divisors, whose sum is σ = 17575987200. Its totient is φ = 1306368000.

The previous prime is 4897779259. The next prime is 4897779277. The reversal of 4897779264 is 4629777984.

4897779264 is a `hidden beast` number, since 489 + 7 + 7 + 7 + 92 + 64 = 666.

It is a tau number, because it is divible by the number of its divisors (448).

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a nude number because it is divisible by every one of its digits.

Its product of digits (42674688) is a multiple of the sum of its prime divisors (343).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 23212119 + ... + 23212329.

Almost surely, 2^4897779264 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 4897779264, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8787993600).

4897779264 is an abundant number, since it is smaller than the sum of its proper divisors (12678207936).

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

4897779264 is a wasteful number, since it uses less digits than its factorization.

4897779264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 359 (or 343 counting only the distinct ones).

The product of its digits is 42674688, while the sum is 63.

The square root of 4897779264 is about 69984.1358023374. The cubic root of 4897779264 is about 1698.2426203776.

The spelling of 4897779264 in words is "four billion, eight hundred ninety-seven million, seven hundred seventy-nine thousand, two hundred sixty-four".