3865066758 has 96 divisors (see below), whose sum is σ = 9676482816. Its totient is φ = 1092170304.

The previous prime is 3865066747. The next prime is 3865066759. The reversal of 3865066758 is 8576605683.

3865066758 is a `hidden beast` number, since 3 + 86 + 506 + 6 + 7 + 58 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3865066759) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 6304860 + ... + 6305472.

It is an arithmetic number, because the mean of its divisors is an integer number (100796696).

Almost surely, 2^3865066758 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3865066758, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4838241408).

3865066758 is an abundant number, since it is smaller than the sum of its proper divisors (5811416058).

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

3865066758 is a wasteful number, since it uses less digits than its factorization.

3865066758 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1098 (or 1095 counting only the distinct ones).

The product of its (nonzero) digits is 7257600, while the sum is 54.

The square root of 3865066758 is about 62169.6610735494. The cubic root of 3865066758 is about 1569.3470661824.

The spelling of 3865066758 in words is "three billion, eight hundred sixty-five million, sixty-six thousand, seven hundred fifty-eight".