3885707061 has 6 divisors (see below), whose sum is σ = 5612687990. Its totient is φ = 2590471368.

The previous prime is 3885707057. The next prime is 3885707117. The reversal of 3885707061 is 1607075883.

3885707061 is a `hidden beast` number, since 3 + 8 + 8 + 570 + 70 + 6 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 2335788900 + 1549918161 = 48330^2 + 39369^2 .

It is not a de Polignac number, because 3885707061 - 2² = 3885707057 is a prime.

It is a super-3 number, since 3×3885707061³ (a number of 30 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3885706998 and 3885707016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3885727061) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 215872606 + ... + 215872623.

Almost surely, 2^3885707061 is an apocalyptic number.

It is an amenable number.

3885707061 is a deficient number, since it is larger than the sum of its proper divisors (1726980929).

3885707061 is a wasteful number, since it uses less digits than its factorization.

3885707061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 431745235 (or 431745232 counting only the distinct ones).

The product of its (nonzero) digits is 282240, while the sum is 45.

The square root of 3885707061 is about 62335.4398476501. The cubic root of 3885707061 is about 1572.1356605046.

The spelling of 3885707061 in words is "three billion, eight hundred eighty-five million, seven hundred seven thousand, sixty-one".