3977499744 has 144 divisors (see below), whose sum is σ = 11507644512. Its totient is φ = 1302994944.

The previous prime is 3977499739. The next prime is 3977499761. The reversal of 3977499744 is 4479947793.

3977499744 is a `hidden beast` number, since 3 + 9 + 77 + 499 + 74 + 4 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4832517 + ... + 4833339.

It is an arithmetic number, because the mean of its divisors is an integer number (79914198).

Almost surely, 2^3977499744 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3977499744, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5753822256).

3977499744 is an abundant number, since it is smaller than the sum of its proper divisors (7530144768).

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

3977499744 is a wasteful number, since it uses less digits than its factorization.

3977499744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1109 (or 1098 counting only the distinct ones).

The product of its digits is 48009024, while the sum is 63.

The square root of 3977499744 is about 63067.4222083002. The cubic root of 3977499744 is about 1584.4190427914.

The spelling of 3977499744 in words is "three billion, nine hundred seventy-seven million, four hundred ninety-nine thousand, seven hundred forty-four".