4977919674678 has 8 divisors (see below), whose sum is σ = 9955839349368. Its totient is φ = 1659306558224.

The previous prime is 4977919674601. The next prime is 4977919674797. The reversal of 4977919674678 is 8764769197794.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

4977919674678 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 4977919674678.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 414826639551 + ... + 414826639562.

It is an arithmetic number, because the mean of its divisors is an integer number (1244479918671).

Almost surely, 2^{4977919674678} is an apocalyptic number.

4977919674678 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

4977919674678 is a wasteful number, since it uses less digits than its factorization.

4977919674678 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 829653279118.

The product of its digits is 8065516032, while the sum is 84.

The spelling of 4977919674678 in words is "four trillion, nine hundred seventy-seven billion, nine hundred nineteen million, six hundred seventy-four thousand, six hundred seventy-eight".