7872871658582 has 32 divisors (see below), whose sum is σ = 13599940856832. Its totient is φ = 3348208885824.

The previous prime is 7872871658573. The next prime is 7872871658633. The reversal of 7872871658582 is 2858561782787.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4381043 + ... + 5910945.

It is an arithmetic number, because the mean of its divisors is an integer number (424998151776).

Almost surely, 2^{7872871658582} is an apocalyptic number.

7872871658582 is a deficient number, since it is larger than the sum of its proper divisors (5727069198250).

7872871658582 is a wasteful number, since it uses less digits than its factorization.

7872871658582 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1532732.

The product of its digits is 842956800, while the sum is 74.

The spelling of 7872871658582 in words is "seven trillion, eight hundred seventy-two billion, eight hundred seventy-one million, six hundred fifty-eight thousand, five hundred eighty-two".