873799131538 has 8 divisors (see below), whose sum is σ = 1387798620732. Its totient is φ = 411199591296.

The previous prime is 873799131481. The next prime is 873799131553. The reversal of 873799131538 is 835131997378.

873799131538 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 863901468369 + 9897663169 = 929463^2 + 99487^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 873799131538.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12849987195 + ... + 12849987262.

Almost surely, 2^873799131538 is an apocalyptic number.

873799131538 is a deficient number, since it is larger than the sum of its proper divisors (513999489194).

873799131538 is a wasteful number, since it uses less digits than its factorization.

873799131538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25699974476.

The product of its digits is 34292160, while the sum is 64.

The spelling of 873799131538 in words is "eight hundred seventy-three billion, seven hundred ninety-nine million, one hundred thirty-one thousand, five hundred thirty-eight".