3876728247 has 36 divisors (see below), whose sum is σ = 6557209776. Its totient is φ = 2200564800.

The previous prime is 3876728231. The next prime is 3876728257. The reversal of 3876728247 is 7428276783.

It is not a de Polignac number, because 3876728247 - 2⁴ = 3876728231 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3876728193 and 3876728202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3876728257) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 37483 + ... + 95699.

It is an arithmetic number, because the mean of its divisors is an integer number (182144716).

Almost surely, 2^3876728247 is an apocalyptic number.

3876728247 is a deficient number, since it is larger than the sum of its proper divisors (2680481529).

3876728247 is a wasteful number, since it uses less digits than its factorization.

3876728247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58388 (or 58378 counting only the distinct ones).

The product of its digits is 6322176, while the sum is 54.

The square root of 3876728247 is about 62263.3780564466. The cubic root of 3876728247 is about 1570.9238003792.

The spelling of 3876728247 in words is "three billion, eight hundred seventy-six million, seven hundred twenty-eight thousand, two hundred forty-seven".