3984479179872 has 48 divisors (see below), whose sum is σ = 10459489824000. Its totient is φ = 1328130269312.

The previous prime is 3984479179817. The next prime is 3984479179909. The reversal of 3984479179872 is 2789719744893.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent 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, 4127629 + ... + 5000627.

It is an arithmetic number, because the mean of its divisors is an integer number (217906038000).

Almost surely, 2^{3984479179872} is an apocalyptic number.

3984479179872 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

3984479179872 is an abundant number, since it is smaller than the sum of its proper divisors (6475010644128).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3984479179872 is a wasteful number, since it uses less digits than its factorization.

3984479179872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 920555 (or 920547 counting only the distinct ones).

The product of its digits is 1536288768, while the sum is 78.

The spelling of 3984479179872 in words is "three trillion, nine hundred eighty-four billion, four hundred seventy-nine million, one hundred seventy-nine thousand, eight hundred seventy-two".