3868725805 has 32 divisors (see below), whose sum is σ = 5434490880. Its totient is φ = 2588769600.

The previous prime is 3868725803. The next prime is 3868725823. The reversal of 3868725805 is 5085278683.

It is not a de Polignac number, because 3868725805 - 2¹ = 3868725803 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3868725803) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 587280 + ... + 593830.

It is an arithmetic number, because the mean of its divisors is an integer number (169827840).

Almost surely, 2^3868725805 is an apocalyptic number.

3868725805 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

3868725805 is a deficient number, since it is larger than the sum of its proper divisors (1565765075).

3868725805 is a wasteful number, since it uses less digits than its factorization.

3868725805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6969.

The product of its (nonzero) digits is 3225600, while the sum is 52.

The square root of 3868725805 is about 62199.0820269881. The cubic root of 3868725805 is about 1569.8421420253.

The spelling of 3868725805 in words is "three billion, eight hundred sixty-eight million, seven hundred twenty-five thousand, eight hundred five".