4977834971976 has 96 divisors (see below), whose sum is σ = 13609392020640. Its totient is φ = 1643558567424.

The previous prime is 4977834971959. The next prime is 4977834972037. The reversal of 4977834971976 is 6791794387794.

4977834971976 is a `hidden beast` number, since 49 + 7 + 7 + 8 + 3 + 497 + 19 + 76 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 4977834971895 and 4977834971904.

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, 66424960 + ... + 66499856.

It is an arithmetic number, because the mean of its divisors is an integer number (141764500215).

Almost surely, 2^{4977834971976} 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 4977834971976, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6804696010320).

4977834971976 is an abundant number, since it is smaller than the sum of its proper divisors (8631557048664).

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

4977834971976 is a wasteful number, since it uses less digits than its factorization.

4977834971976 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83643 (or 83636 counting only the distinct ones).

The product of its digits is 4032758016, while the sum is 81.

The spelling of 4977834971976 in words is "four trillion, nine hundred seventy-seven billion, eight hundred thirty-four million, nine hundred seventy-one thousand, nine hundred seventy-six".