4087881972 has 48 divisors (see below), whose sum is σ = 10617741120. Its totient is φ = 1360116576.

The previous prime is 4087881971. The next prime is 4087882031. The reversal of 4087881972 is 2791887804.

It is a happy number.

4087881972 is a `hidden beast` number, since 408 + 78 + 81 + 97 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4087881971) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24478 + ... + 93674.

It is an arithmetic number, because the mean of its divisors is an integer number (221202940).

Almost surely, 2^4087881972 is an apocalyptic number.

It is an amenable number.

4087881972 is an abundant number, since it is smaller than the sum of its proper divisors (6529859148).

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

4087881972 is a wasteful number, since it uses less digits than its factorization.

4087881972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69757 (or 69749 counting only the distinct ones).

The product of its (nonzero) digits is 1806336, while the sum is 54.

The square root of 4087881972 is about 63936.5464503675. The cubic root of 4087881972 is about 1598.9422660075.

The spelling of 4087881972 in words is "four billion, eighty-seven million, eight hundred eighty-one thousand, nine hundred seventy-two".