5616778980 has 48 divisors (see below), whose sum is σ = 15806044800. Its totient is φ = 1490277888.

The previous prime is 5616778919. The next prime is 5616778987. The reversal of 5616778980 is 898776165.

It is a super-2 number, since 2×5616778980² = 63096412220339680800, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 5616778980.

It is not an unprimeable number, because it can be changed into a prime (5616778987) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 223269 + ... + 247148.

It is an arithmetic number, because the mean of its divisors is an integer number (329292600).

Almost surely, 2^5616778980 is an apocalyptic number.

It is an amenable number.

5616778980 is an abundant number, since it is smaller than the sum of its proper divisors (10189265820).

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

5616778980 is a wasteful number, since it uses less digits than its factorization.

5616778980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 470628 (or 470626 counting only the distinct ones).

The product of its (nonzero) digits is 5080320, while the sum is 57.

The square root of 5616778980 is about 74945.1731601175. The cubic root of 5616778980 is about 1777.5798211903.

The spelling of 5616778980 in words is "five billion, six hundred sixteen million, seven hundred seventy-eight thousand, nine hundred eighty".