4778001 has 16 divisors (see below), whose sum is σ = 7115520. Its totient is φ = 3168720.

The previous prime is 4777967. The next prime is 4778009. The reversal of 4778001 is 1008774.

It is not a de Polignac number, because 4778001 - 2¹⁰ = 4776977 is a prime.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (4778009) 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, 6991 + ... + 7643.

It is an arithmetic number, because the mean of its divisors is an integer number (444720).

Almost surely, 2^4778001 is an apocalyptic number.

It is an amenable number.

4778001 is a deficient number, since it is larger than the sum of its proper divisors (2337519).

4778001 is a wasteful number, since it uses less digits than its factorization.

4778001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 933 (or 927 counting only the distinct ones).

The product of its (nonzero) digits is 1568, while the sum is 27.

The square root of 4778001 is about 2185.8639024422. The cubic root of 4778001 is about 168.4284345363.

The spelling of 4778001 in words is "four million, seven hundred seventy-eight thousand, one".