5671216780 has 12 divisors (see below), whose sum is σ = 11909555280. Its totient is φ = 2268486704.

The previous prime is 5671216763. The next prime is 5671216781. The reversal of 5671216780 is 876121765.

It is not an unprimeable number, because it can be changed into a prime (5671216781) 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, 141780400 + ... + 141780439.

It is an arithmetic number, because the mean of its divisors is an integer number (992462940).

Almost surely, 2^5671216780 is an apocalyptic number.

It is an amenable number.

5671216780 is an abundant number, since it is smaller than the sum of its proper divisors (6238338500).

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

5671216780 is a wasteful number, since it uses less digits than its factorization.

5671216780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 283560848 (or 283560846 counting only the distinct ones).

The product of its (nonzero) digits is 141120, while the sum is 43.

The square root of 5671216780 is about 75307.4815672387. The cubic root of 5671216780 is about 1783.3041330610.

The spelling of 5671216780 in words is "five billion, six hundred seventy-one million, two hundred sixteen thousand, seven hundred eighty".