3785817738 has 16 divisors (see below), whose sum is σ = 7756310016. Its totient is φ = 1231160160.

The previous prime is 3785817683. The next prime is 3785817751. The reversal of 3785817738 is 8377185873.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7694506 + ... + 7694997.

It is an arithmetic number, because the mean of its divisors is an integer number (484769376).

Almost surely, 2^3785817738 is an apocalyptic number.

3785817738 is an abundant number, since it is smaller than the sum of its proper divisors (3970492278).

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

3785817738 is a wasteful number, since it uses less digits than its factorization.

3785817738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15389549.

The product of its digits is 7902720, while the sum is 57.

The square root of 3785817738 is about 61528.9991629963. Note that the first 3 decimals coincide. The cubic root of 3785817738 is about 1558.5469894348.

The spelling of 3785817738 in words is "three billion, seven hundred eighty-five million, eight hundred seventeen thousand, seven hundred thirty-eight".