3868958786 has 32 divisors (see below), whose sum is σ = 7295287680. Its totient is φ = 1507379280.

The previous prime is 3868958747. The next prime is 3868958789. The reversal of 3868958786 is 6878598683.

It is not an unprimeable number, because it can be changed into a prime (3868958789) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 85181 + ... + 122448.

It is an arithmetic number, because the mean of its divisors is an integer number (227977740).

Almost surely, 2^3868958786 is an apocalyptic number.

3868958786 is a deficient number, since it is larger than the sum of its proper divisors (3426328894).

3868958786 is a wasteful number, since it uses less digits than its factorization.

3868958786 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 207671 (or 207649 counting only the distinct ones).

The product of its digits is 139345920, while the sum is 68.

The square root of 3868958786 is about 62200.9548640533. The cubic root of 3868958786 is about 1569.8736542138.

The spelling of 3868958786 in words is "three billion, eight hundred sixty-eight million, nine hundred fifty-eight thousand, seven hundred eighty-six".