4947977952 has 72 divisors (see below), whose sum is σ = 14524735680. Its totient is φ = 1596119040.

The previous prime is 4947977819. The next prime is 4947977977. The reversal of 4947977952 is 2597797494.

4947977952 is a `hidden beast` number, since 4 + 9 + 479 + 77 + 95 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (72).

It is a super-2 number, since 2×4947977952² = 48964971626956228608, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 4947977952.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 268177 + ... + 286032.

It is an arithmetic number, because the mean of its divisors is an integer number (201732440).

Almost surely, 2^4947977952 is an apocalyptic number.

It is an amenable number.

4947977952 is an abundant number, since it is smaller than the sum of its proper divisors (9576757728).

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

4947977952 is a wasteful number, since it uses less digits than its factorization.

4947977952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 554256 (or 554245 counting only the distinct ones).

The product of its digits is 40007520, while the sum is 63.

The square root of 4947977952 is about 70341.8648601244. The cubic root of 4947977952 is about 1704.0248293678.

The spelling of 4947977952 in words is "four billion, nine hundred forty-seven million, nine hundred seventy-seven thousand, nine hundred fifty-two".