4977834971979 has 4 divisors (see below), whose sum is σ = 6637113295976. Its totient is φ = 3318556647984.

The previous prime is 4977834971959. The next prime is 4977834972037. The reversal of 4977834971979 is 9791794387794.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 4977834971979 - 2⁸ = 4977834971723 is a prime.

It is a super-3 number, since 3×4977834971979³ (a number of 39 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4977834971959) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 829639161994 + ... + 829639161999.

It is an arithmetic number, because the mean of its divisors is an integer number (1659278323994).

Almost surely, 2^{4977834971979} is an apocalyptic number.

4977834971979 is a deficient number, since it is larger than the sum of its proper divisors (1659278323997).

4977834971979 is a wasteful number, since it uses less digits than its factorization.

4977834971979 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1659278323996.

The product of its digits is 6049137024, while the sum is 84.

The spelling of 4977834971979 in words is "four trillion, nine hundred seventy-seven billion, eight hundred thirty-four million, nine hundred seventy-one thousand, nine hundred seventy-nine".