3925580887 has 4 divisors (see below), whose sum is σ = 3948272280. Its totient is φ = 3902889496.

The previous prime is 3925580881. The next prime is 3925580929. The reversal of 3925580887 is 7880855293.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 3925580887 - 2⁷ = 3925580759 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3925580881) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11345437 + ... + 11345782.

It is an arithmetic number, because the mean of its divisors is an integer number (987068070).

Almost surely, 2^3925580887 is an apocalyptic number.

3925580887 is a deficient number, since it is larger than the sum of its proper divisors (22691393).

3925580887 is a wasteful number, since it uses less digits than its factorization.

3925580887 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22691392.

The product of its (nonzero) digits is 4838400, while the sum is 55.

The square root of 3925580887 is about 62654.4562421541. The cubic root of 3925580887 is about 1577.4949471032.

The spelling of 3925580887 in words is "three billion, nine hundred twenty-five million, five hundred eighty thousand, eight hundred eighty-seven".