3785857835 has 16 divisors (see below), whose sum is σ = 4610753280. Its totient is φ = 2983743840.

The previous prime is 3785857813. The next prime is 3785857837. The reversal of 3785857835 is 5387585873.

It is a happy number.

It is not a de Polignac number, because 3785857835 - 2¹⁶ = 3785792299 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3785857837) 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, 136280 + ... + 161690.

It is an arithmetic number, because the mean of its divisors is an integer number (288172080).

Almost surely, 2^3785857835 is an apocalyptic number.

3785857835 is a deficient number, since it is larger than the sum of its proper divisors (824895445).

3785857835 is a wasteful number, since it uses less digits than its factorization.

3785857835 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25858.

The product of its digits is 28224000, while the sum is 59.

The square root of 3785857835 is about 61529.3250003606. The cubic root of 3785857835 is about 1558.5524917985.

The spelling of 3785857835 in words is "three billion, seven hundred eighty-five million, eight hundred fifty-seven thousand, eight hundred thirty-five".