3977003219905 has 8 divisors (see below), whose sum is σ = 4774383307584. Its totient is φ = 3180282946800.

The previous prime is 3977003219869. The next prime is 3977003219911. The reversal of 3977003219905 is 5099123007793.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3977003219905 - 2¹⁷ = 3977003088833 is a prime.

It is a super-2 number, since 2×3977003219905² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 164940381 + ... + 164964490.

It is an arithmetic number, because the mean of its divisors is an integer number (596797913448).

Almost surely, 2^{3977003219905} is an apocalyptic number.

It is an amenable number.

3977003219905 is a deficient number, since it is larger than the sum of its proper divisors (797380087679).

3977003219905 is a wasteful number, since it uses less digits than its factorization.

3977003219905 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 329907287.

The product of its (nonzero) digits is 3214890, while the sum is 55.

The spelling of 3977003219905 in words is "three trillion, nine hundred seventy-seven billion, three million, two hundred nineteen thousand, nine hundred five".