5184942980978 has 8 divisors (see below), whose sum is σ = 7778422323372. Its totient is φ = 2592135539856.

The previous prime is 5184942980977. The next prime is 5184942980989. The reversal of 5184942980978 is 8790892494815.

It can be written as a sum of positive squares in 2 ways, for example, as 4723680600409 + 461262380569 = 2173403^2 + 679163^2 .

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 (5184942980977) 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, 167956025 + ... + 167986892.

Almost surely, 2^{5184942980978} is an apocalyptic number.

5184942980978 is a deficient number, since it is larger than the sum of its proper divisors (2593479342394).

5184942980978 is a wasteful number, since it uses less digits than its factorization.

5184942980978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 335950636.

The product of its (nonzero) digits is 418037760, while the sum is 74.

The spelling of 5184942980978 in words is "five trillion, one hundred eighty-four billion, nine hundred forty-two million, nine hundred eighty thousand, nine hundred seventy-eight".