4778353926 has 24 divisors (see below), whose sum is σ = 10380431880. Its totient is φ = 1588579776.

The previous prime is 4778353883. The next prime is 4778353949. The reversal of 4778353926 is 6293538774.

4778353926 is a `hidden beast` number, since 4 + 7 + 7 + 83 + 539 + 26 = 666.

It is a super-2 number, since 2×4778353926² = 45665332484239226952, which contains 22 as substring.

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 11 ways as a sum of consecutive naturals, for example, 343395 + ... + 357038.

It is an arithmetic number, because the mean of its divisors is an integer number (432517995).

Almost surely, 2^4778353926 is an apocalyptic number.

4778353926 is an abundant number, since it is smaller than the sum of its proper divisors (5602077954).

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

4778353926 is a wasteful number, since it uses less digits than its factorization.

4778353926 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 700820 (or 700817 counting only the distinct ones).

The product of its digits is 7620480, while the sum is 54.

The square root of 4778353926 is about 69125.6387022934. The cubic root of 4778353926 is about 1684.3258141071.

The spelling of 4778353926 in words is "four billion, seven hundred seventy-eight million, three hundred fifty-three thousand, nine hundred twenty-six".