3928885061 has 2 divisors, whose sum is σ = 3928885062. Its totient is φ = 3928885060.

The previous prime is 3928885043. The next prime is 3928885067. The reversal of 3928885061 is 1605888293.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3892512100 + 36372961 = 62390^2 + 6031^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3928885061 is a prime.

It is a super-2 number, since 2×3928885061² = 30872275645097947442, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3928885067) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1964442530 + 1964442531.

It is an arithmetic number, because the mean of its divisors is an integer number (1964442531).

Almost surely, 2^3928885061 is an apocalyptic number.

It is an amenable number.

3928885061 is a deficient number, since it is larger than the sum of its proper divisors (1).

3928885061 is an equidigital number, since it uses as much as digits as its factorization.

3928885061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 829440, while the sum is 50.

The square root of 3928885061 is about 62680.8189241334. The cubic root of 3928885061 is about 1577.9374171660.

The spelling of 3928885061 in words is "three billion, nine hundred twenty-eight million, eight hundred eighty-five thousand, sixty-one".