4978911682 has 8 divisors (see below), whose sum is σ = 7491927996. Its totient is φ = 2481602352.

The previous prime is 4978911667. The next prime is 4978911689. The reversal of 4978911682 is 2861198794.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 4890344761 + 88566921 = 69931^2 + 9411^2 .

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

It is not an unprimeable number, because it can be changed into a prime (4978911689) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3925953 + ... + 3927220.

Almost surely, 2^4978911682 is an apocalyptic number.

4978911682 is a deficient number, since it is larger than the sum of its proper divisors (2513016314).

4978911682 is a wasteful number, since it uses less digits than its factorization.

4978911682 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7853492.

The product of its digits is 1741824, while the sum is 55.

The square root of 4978911682 is about 70561.4036283293. The cubic root of 4978911682 is about 1707.5685244964.

The spelling of 4978911682 in words is "four billion, nine hundred seventy-eight million, nine hundred eleven thousand, six hundred eighty-two".