3856477379 has 4 divisors (see below), whose sum is σ = 3864528960. Its totient is φ = 3848425800.

The previous prime is 3856477337. The next prime is 3856477381. The reversal of 3856477379 is 9737746583.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9737746583 = 24889 ⋅391247.

It is a cyclic number.

It is not a de Polignac number, because 3856477379 - 2⁸ = 3856477123 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3856477399) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4025072 + ... + 4026029.

It is an arithmetic number, because the mean of its divisors is an integer number (966132240).

Almost surely, 2^3856477379 is an apocalyptic number.

3856477379 is a deficient number, since it is larger than the sum of its proper divisors (8051581).

3856477379 is an equidigital number, since it uses as much as digits as its factorization.

3856477379 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8051580.

The product of its digits is 26671680, while the sum is 59.

The square root of 3856477379 is about 62100.5425016561. The cubic root of 3856477379 is about 1568.1836783897.

The spelling of 3856477379 in words is "three billion, eight hundred fifty-six million, four hundred seventy-seven thousand, three hundred seventy-nine".