3777834421 has 16 divisors (see below), whose sum is σ = 3929990400. Its totient is φ = 3628627200.

The previous prime is 3777834343. The next prime is 3777834451. The reversal of 3777834421 is 1244387773.

It is a cyclic number.

It is not a de Polignac number, because 3777834421 - 2¹³ = 3777826229 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3777834451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 931005 + ... + 935053.

It is an arithmetic number, because the mean of its divisors is an integer number (245624400).

Almost surely, 2^3777834421 is an apocalyptic number.

It is an amenable number.

3777834421 is a deficient number, since it is larger than the sum of its proper divisors (152155979).

3777834421 is a wasteful number, since it uses less digits than its factorization.

3777834421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4404.

The product of its digits is 790272, while the sum is 46.

The square root of 3777834421 is about 61464.0905000635. The cubic root of 3777834421 is about 1557.4506934056.

The spelling of 3777834421 in words is "three billion, seven hundred seventy-seven million, eight hundred thirty-four thousand, four hundred twenty-one".