5786789978 has 8 divisors (see below), whose sum is σ = 8979501780. Its totient is φ = 2793622720.

The previous prime is 5786789947. The next prime is 5786789989. The reversal of 5786789978 is 8799876875.

It can be written as a sum of positive squares in 2 ways, for example, as 5636555929 + 150234049 = 75077^2 + 12257^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 49886063 + ... + 49886178.

Almost surely, 2^5786789978 is an apocalyptic number.

5786789978 is a gapful number since it is divisible by the number (58) formed by its first and last digit.

5786789978 is a deficient number, since it is larger than the sum of its proper divisors (3192711802).

5786789978 is a wasteful number, since it uses less digits than its factorization.

5786789978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99772272.

The product of its digits is 426746880, while the sum is 74.

The square root of 5786789978 is about 76070.9535762501. The cubic root of 5786789978 is about 1795.3366922468.

The spelling of 5786789978 in words is "five billion, seven hundred eighty-six million, seven hundred eighty-nine thousand, nine hundred seventy-eight".