3785857858 has 32 divisors (see below), whose sum is σ = 5871888000. Its totient is φ = 1829592576.

The previous prime is 3785857837. The next prime is 3785857879. The reversal of 3785857858 is 8587585873.

3785857858 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (3785857837) and next prime (3785857879).

It is a self number, because there is not a number n which added to its sum of digits gives 3785857858.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5625010 + ... + 5625682.

It is an arithmetic number, because the mean of its divisors is an integer number (183496500).

Almost surely, 2^3785857858 is an apocalyptic number.

3785857858 is a deficient number, since it is larger than the sum of its proper divisors (2086030142).

3785857858 is a wasteful number, since it uses less digits than its factorization.

3785857858 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1306.

The product of its digits is 75264000, while the sum is 64.

The square root of 3785857858 is about 61529.3251872633. The cubic root of 3785857858 is about 1558.5524949547.

The spelling of 3785857858 in words is "three billion, seven hundred eighty-five million, eight hundred fifty-seven thousand, eight hundred fifty-eight".