3978572471 has 2 divisors, whose sum is σ = 3978572472. Its totient is φ = 3978572470.

The previous prime is 3978572459. The next prime is 3978572503. The reversal of 3978572471 is 1742758793.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3978572471 is a prime.

It is a super-3 number, since 3×3978572471³ (a number of 30 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3978572071) by changing a digit.

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 as a sum of consecutive naturals, namely, 1989286235 + 1989286236.

It is an arithmetic number, because the mean of its divisors is an integer number (1989286236).

Almost surely, 2^3978572471 is an apocalyptic number.

3978572471 is a deficient number, since it is larger than the sum of its proper divisors (1).

3978572471 is an equidigital number, since it uses as much as digits as its factorization.

3978572471 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2963520, while the sum is 53.

The square root of 3978572471 is about 63075.9262397311. The cubic root of 3978572471 is about 1584.5614686386.

The spelling of 3978572471 in words is "three billion, nine hundred seventy-eight million, five hundred seventy-two thousand, four hundred seventy-one".