4778768173 has 8 divisors (see below), whose sum is σ = 4798478880. Its totient is φ = 4759095600.

The previous prime is 4778768143. The next prime is 4778768231. The reversal of 4778768173 is 3718678774.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 4778768173 - 2¹³ = 4778759981 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4778768143) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 256686 + ... + 274672.

It is an arithmetic number, because the mean of its divisors is an integer number (599809860).

Almost surely, 2^4778768173 is an apocalyptic number.

It is an amenable number.

4778768173 is a deficient number, since it is larger than the sum of its proper divisors (19710707).

4778768173 is a wasteful number, since it uses less digits than its factorization.

4778768173 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19067.

The product of its digits is 11063808, while the sum is 58.

The square root of 4778768173 is about 69128.6349713344. The cubic root of 4778768173 is about 1684.3744854532.

The spelling of 4778768173 in words is "four billion, seven hundred seventy-eight million, seven hundred sixty-eight thousand, one hundred seventy-three".