874836381564487 has 8 divisors (see below), whose sum is σ = 875971027007280. Its totient is φ = 873702171277440.

The previous prime is 874836381564469. The next prime is 874836381564493. The reversal of 874836381564487 is 784465183638478.

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

It is a cyclic number.

It is not a de Polignac number, because 874836381564487 - 2¹⁹ = 874836381040199 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 874836381564487.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (874836381564437) 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, 104765437 + ... + 112807222.

It is an arithmetic number, because the mean of its divisors is an integer number (109496378375910).

Almost surely, 2^{874836381564487} is an apocalyptic number.

874836381564487 is a deficient number, since it is larger than the sum of its proper divisors (1134645442793).

874836381564487 is a wasteful number, since it uses less digits than its factorization.

874836381564487 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 217577873.

The product of its digits is 20808990720, while the sum is 82.

The spelling of 874836381564487 in words is "eight hundred seventy-four trillion, eight hundred thirty-six billion, three hundred eighty-one million, five hundred sixty-four thousand, four hundred eighty-seven".