3854635778 has 8 divisors (see below), whose sum is σ = 6607947072. Its totient is φ = 1651986756.

The previous prime is 3854635751. The next prime is 3854635783. The reversal of 3854635778 is 8775364583.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 137665550 + ... + 137665577.

It is an arithmetic number, because the mean of its divisors is an integer number (825993384).

Almost surely, 2^3854635778 is an apocalyptic number.

3854635778 is a deficient number, since it is larger than the sum of its proper divisors (2753311294).

3854635778 is a wasteful number, since it uses less digits than its factorization.

3854635778 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 275331136.

The product of its digits is 16934400, while the sum is 56.

The square root of 3854635778 is about 62085.7131552824. The cubic root of 3854635778 is about 1567.9340180416.

The spelling of 3854635778 in words is "three billion, eight hundred fifty-four million, six hundred thirty-five thousand, seven hundred seventy-eight".