3220878547 has 2 divisors, whose sum is σ = 3220878548. Its totient is φ = 3220878546.

The previous prime is 3220878539. The next prime is 3220878569. The reversal of 3220878547 is 7458780223.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3220878547 - 2³ = 3220878539 is a prime.

It is a super-2 number, since 2×3220878547² = 20748117229049662418, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3220878497 and 3220878506.

It is not a weakly prime, because it can be changed into another prime (3220875547) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1610439273 + 1610439274.

It is an arithmetic number, because the mean of its divisors is an integer number (1610439274).

Almost surely, 2^3220878547 is an apocalyptic number.

3220878547 is a deficient number, since it is larger than the sum of its proper divisors (1).

3220878547 is an equidigital number, since it uses as much as digits as its factorization.

3220878547 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 752640, while the sum is 46.

The square root of 3220878547 is about 56752.7844867545. The cubic root of 3220878547 is about 1476.8105388398.

The spelling of 3220878547 in words is "three billion, two hundred twenty million, eight hundred seventy-eight thousand, five hundred forty-seven".