4778719001 has 16 divisors (see below), whose sum is σ = 5515361280. Its totient is φ = 4055709840.

The previous prime is 4778718991. The next prime is 4778719003. The reversal of 4778719001 is 1009178774.

It is a happy number.

It is not a de Polignac number, because 4778719001 - 2²² = 4774524697 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4778719003) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 422660 + ... + 433818.

It is an arithmetic number, because the mean of its divisors is an integer number (344710080).

Almost surely, 2^4778719001 is an apocalyptic number.

It is an amenable number.

4778719001 is a deficient number, since it is larger than the sum of its proper divisors (736642279).

4778719001 is a wasteful number, since it uses less digits than its factorization.

4778719001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11764.

The product of its (nonzero) digits is 98784, while the sum is 44.

The square root of 4778719001 is about 69128.2793146191. The cubic root of 4778719001 is about 1684.3687082080.

The spelling of 4778719001 in words is "four billion, seven hundred seventy-eight million, seven hundred nineteen thousand, one".