3987672724 has 192 divisors, whose sum is σ = 8999424000. Its totient is φ = 1541030400.

The previous prime is 3987672691. The next prime is 3987672737. The reversal of 3987672724 is 4272767893.

It is a Smith number, since the sum of its digits (55) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 65371654 + ... + 65371714.

It is an arithmetic number, because the mean of its divisors is an integer number (46872000).

Almost surely, 2^3987672724 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 3987672724, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4499712000).

3987672724 is an abundant number, since it is smaller than the sum of its proper divisors (5011751276).

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

3987672724 is a wasteful number, since it uses less digits than its factorization.

3987672724 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 199 (or 183 counting only the distinct ones).

The product of its digits is 7112448, while the sum is 55.

The square root of 3987672724 is about 63148.0223284942. The cubic root of 3987672724 is about 1585.7686796852.

The spelling of 3987672724 in words is "three billion, nine hundred eighty-seven million, six hundred seventy-two thousand, seven hundred twenty-four".