4789991078 has 8 divisors (see below), whose sum is σ = 7197615720. Its totient is φ = 2390785840.

The previous prime is 4789991069. The next prime is 4789991099. The reversal of 4789991078 is 8701999874.

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

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 4789991078.

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, 2103428 + ... + 2105703.

It is an arithmetic number, because the mean of its divisors is an integer number (899701965).

Almost surely, 2^4789991078 is an apocalyptic number.

4789991078 is a deficient number, since it is larger than the sum of its proper divisors (2407624642).

4789991078 is a wasteful number, since it uses less digits than its factorization.

4789991078 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4209702.

The product of its (nonzero) digits is 9144576, while the sum is 62.

The square root of 4789991078 is about 69209.7614357975. The cubic root of 4789991078 is about 1685.6920352988.

The spelling of 4789991078 in words is "four billion, seven hundred eighty-nine million, nine hundred ninety-one thousand, seventy-eight".