3213727488 has 216 divisors, whose sum is σ = 10118617600. Its totient is φ = 1014488064.

The previous prime is 3213727487. The next prime is 3213727523. The reversal of 3213727488 is 8847273123.

3213727488 is a `hidden beast` number, since 32 + 137 + 2 + 7 + 488 = 666.

3213727488 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (216).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3213727487) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1180593 + ... + 1183311.

Almost surely, 2^3213727488 is an apocalyptic number.

3213727488 is a gapful number since it is divisible by the number (38) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3213727488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5059308800).

3213727488 is an abundant number, since it is smaller than the sum of its proper divisors (6904890112).

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

3213727488 is an equidigital number, since it uses as much as digits as its factorization.

3213727488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2769 (or 2743 counting only the distinct ones).

The product of its digits is 451584, while the sum is 45.

The square root of 3213727488 is about 56689.7476445256. The cubic root of 3213727488 is about 1475.7167808757.

The spelling of 3213727488 in words is "three billion, two hundred thirteen million, seven hundred twenty-seven thousand, four hundred eighty-eight".