4778287446 has 8 divisors (see below), whose sum is σ = 9556574904. Its totient is φ = 1592762480.

The previous prime is 4778287439. The next prime is 4778287463. The reversal of 4778287446 is 6447828774.

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

4778287446 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 398190615 + ... + 398190626.

It is an arithmetic number, because the mean of its divisors is an integer number (1194571863).

Almost surely, 2^4778287446 is an apocalyptic number.

4778287446 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4778287446 is a wasteful number, since it uses less digits than its factorization.

4778287446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 796381246.

The product of its digits is 16859136, while the sum is 57.

The square root of 4778287446 is about 69125.1578370712. The cubic root of 4778287446 is about 1684.3180028746.

The spelling of 4778287446 in words is "four billion, seven hundred seventy-eight million, two hundred eighty-seven thousand, four hundred forty-six".