4208478993782 has 16 divisors (see below), whose sum is σ = 7214575961760. Its totient is φ = 1803623718528.

The previous prime is 4208478993769. The next prime is 4208478993793. The reversal of 4208478993782 is 2873998748024.

It is a super-2 number, since 2×4208478993782² (a number of 26 digits) contains 22 as substring.

It is a congruent 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, 2086208 + ... + 3573404.

It is an arithmetic number, because the mean of its divisors is an integer number (450910997610).

Almost surely, 2^{4208478993782} is an apocalyptic number.

4208478993782 is a deficient number, since it is larger than the sum of its proper divisors (3006096967978).

4208478993782 is a wasteful number, since it uses less digits than its factorization.

4208478993782 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1689335.

The product of its (nonzero) digits is 390168576, while the sum is 71.

The spelling of 4208478993782 in words is "four trillion, two hundred eight billion, four hundred seventy-eight million, nine hundred ninety-three thousand, seven hundred eighty-two".