3827277421 has 4 divisors (see below), whose sum is σ = 4175211744. Its totient is φ = 3479343100.

The previous prime is 3827277401. The next prime is 3827277437. The reversal of 3827277421 is 1247727283.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 3827277421 - 2²⁷ = 3693059693 is a prime.

It is a super-2 number, since 2×3827277421² = 29296104914592822482, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3827277401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 173967145 + ... + 173967166.

It is an arithmetic number, because the mean of its divisors is an integer number (1043802936).

Almost surely, 2^3827277421 is an apocalyptic number.

It is an amenable number.

3827277421 is a deficient number, since it is larger than the sum of its proper divisors (347934323).

3827277421 is a wasteful number, since it uses less digits than its factorization.

3827277421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 347934322.

The product of its digits is 263424, while the sum is 43.

The square root of 3827277421 is about 61864.9935019798. The cubic root of 3827277421 is about 1564.2157258798.

The spelling of 3827277421 in words is "three billion, eight hundred twenty-seven million, two hundred seventy-seven thousand, four hundred twenty-one".