5622784978 has 8 divisors (see below), whose sum is σ = 8469174780. Its totient is φ = 2799726720.

The previous prime is 5622784949. The next prime is 5622785009. The reversal of 5622784978 is 8794872265.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 5533425769 + 89359209 = 74387^2 + 9453^2 .

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

It is a super-3 number, since 3×5622784978³ (a number of 30 digits) contains 333 as substring.

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, 5832283 + ... + 5833246.

Almost surely, 2^5622784978 is an apocalyptic number.

5622784978 is a deficient number, since it is larger than the sum of its proper divisors (2846389802).

5622784978 is a wasteful number, since it uses less digits than its factorization.

5622784978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11665772.

The product of its digits is 13547520, while the sum is 58.

The square root of 5622784978 is about 74985.2317326552. The cubic root of 5622784978 is about 1778.2131816881.

The spelling of 5622784978 in words is "five billion, six hundred twenty-two million, seven hundred eighty-four thousand, nine hundred seventy-eight".