3871637740 has 24 divisors (see below), whose sum is σ = 8392712832. Its totient is φ = 1498698240.

The previous prime is 3871637717. The next prime is 3871637789. The reversal of 3871637740 is 477361783.

It is a hoax number, since the sum of its digits (46) coincides with the sum of the digits of its distinct prime factors.

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, 3121669 + ... + 3122908.

It is an arithmetic number, because the mean of its divisors is an integer number (349696368).

Almost surely, 2^3871637740 is an apocalyptic number.

It is an amenable number.

3871637740 is an abundant number, since it is smaller than the sum of its proper divisors (4521075092).

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

3871637740 is a wasteful number, since it uses less digits than its factorization.

3871637740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6244617 (or 6244615 counting only the distinct ones).

The product of its (nonzero) digits is 592704, while the sum is 46.

The square root of 3871637740 is about 62222.4858069814. The cubic root of 3871637740 is about 1570.2359092134.

The spelling of 3871637740 in words is "three billion, eight hundred seventy-one million, six hundred thirty-seven thousand, seven hundred forty".