4278785 has 8 divisors (see below), whose sum is σ = 5868096. Its totient is φ = 2934000.

The previous prime is 4278773. The next prime is 4278829. The reversal of 4278785 is 5878724.

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

It is not a de Polignac number, because 4278785 - 2¹² = 4274689 is a prime.

It is a d-powerful number, because it can be written as 4⁸ + 2²² + 7³ + 8² + 7⁴ + 8³ + 5⁶ .

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 61091 + ... + 61160.

It is an arithmetic number, because the mean of its divisors is an integer number (733512).

Almost surely, 2^4278785 is an apocalyptic number.

It is an amenable number.

4278785 is a deficient number, since it is larger than the sum of its proper divisors (1589311).

4278785 is a wasteful number, since it uses less digits than its factorization.

4278785 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122263.

The product of its digits is 125440, while the sum is 41.

The square root of 4278785 is about 2068.5224195063. The cubic root of 4278785 is about 162.3454625490.

The spelling of 4278785 in words is "four million, two hundred seventy-eight thousand, seven hundred eighty-five".