5318476778 has 8 divisors (see below), whose sum is σ = 7996756320. Its totient is φ = 2652891340.

The previous prime is 5318476771. The next prime is 5318476847. The reversal of 5318476778 is 8776748135.

It is a happy number.

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

It is a super-2 number, since 2×5318476778² = 56572390476250522568, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (5318476771) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3172478 + ... + 3174153.

It is an arithmetic number, because the mean of its divisors is an integer number (999594540).

Almost surely, 2^5318476778 is an apocalyptic number.

5318476778 is a deficient number, since it is larger than the sum of its proper divisors (2678279542).

5318476778 is a wasteful number, since it uses less digits than its factorization.

5318476778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6347052.

The product of its digits is 7902720, while the sum is 56.

The square root of 5318476778 is about 72927.8875191103. The cubic root of 5318476778 is about 1745.5371212116.

The spelling of 5318476778 in words is "five billion, three hundred eighteen million, four hundred seventy-six thousand, seven hundred seventy-eight".