3856377792 has 56 divisors (see below), whose sum is σ = 10251797632. Its totient is φ = 1279353600.

The previous prime is 3856377787. The next prime is 3856377793. The reversal of 3856377792 is 2977736583.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3856377793) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7084 + ... + 88107.

Almost surely, 2^3856377792 is an apocalyptic number.

3856377792 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3856377792, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5125898816).

3856377792 is an abundant number, since it is smaller than the sum of its proper divisors (6395419840).

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

3856377792 is a wasteful number, since it uses less digits than its factorization.

3856377792 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95417 (or 95407 counting only the distinct ones).

The product of its digits is 13335840, while the sum is 57.

The square root of 3856377792 is about 62099.7406757870. The cubic root of 3856377792 is about 1568.1701797105.

The spelling of 3856377792 in words is "three billion, eight hundred fifty-six million, three hundred seventy-seven thousand, seven hundred ninety-two".