7138843681587 has 8 divisors (see below), whose sum is σ = 9846680940240. Its totient is φ = 4595117772000.

The previous prime is 7138843681579. The next prime is 7138843681591. The reversal of 7138843681587 is 7851863488317.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 7138843681587 - 2³ = 7138843681579 is a prime.

It is a super-2 number, since 2×7138843681587² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (7138843681687) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41027837164 + ... + 41027837337.

It is an arithmetic number, because the mean of its divisors is an integer number (1230835117530).

Almost surely, 2^{7138843681587} is an apocalyptic number.

7138843681587 is a deficient number, since it is larger than the sum of its proper divisors (2707837258653).

7138843681587 is a wasteful number, since it uses less digits than its factorization.

7138843681587 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82055674533.

The product of its digits is 216760320, while the sum is 69.

The spelling of 7138843681587 in words is "seven trillion, one hundred thirty-eight billion, eight hundred forty-three million, six hundred eighty-one thousand, five hundred eighty-seven".