3804728521276 has 24 divisors (see below), whose sum is σ = 6716061500400. Its totient is φ = 1885917188352.

The previous prime is 3804728521273. The next prime is 3804728521277. The reversal of 3804728521276 is 6721258274083.

It is a super-2 number, since 2×3804728521276² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3804728521273) 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, 7682301 + ... + 8162548.

It is an arithmetic number, because the mean of its divisors is an integer number (279835895850).

Almost surely, 2^{3804728521276} is an apocalyptic number.

It is an amenable number.

3804728521276 is a deficient number, since it is larger than the sum of its proper divisors (2911332979124).

3804728521276 is a wasteful number, since it uses less digits than its factorization.

3804728521276 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15845373 (or 15845371 counting only the distinct ones).

The product of its (nonzero) digits is 9031680, while the sum is 55.

The spelling of 3804728521276 in words is "three trillion, eight hundred four billion, seven hundred twenty-eight million, five hundred twenty-one thousand, two hundred seventy-six".