873873655 has 4 divisors (see below), whose sum is σ = 1048648392. Its totient is φ = 699098920.

The previous prime is 873873647. The next prime is 873873667. The reversal of 873873655 is 556378378.

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

It is not a de Polignac number, because 873873655 - 2³ = 873873647 is a prime.

It is a Duffinian number.

It is a congruent number.

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, 87387361 + ... + 87387370.

It is an arithmetic number, because the mean of its divisors is an integer number (262162098).

Almost surely, 2^873873655 is an apocalyptic number.

873873655 is a deficient number, since it is larger than the sum of its proper divisors (174774737).

873873655 is a wasteful number, since it uses less digits than its factorization.

873873655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174774736.

The product of its digits is 4233600, while the sum is 52.

The square root of 873873655 is about 29561.3540792705. The cubic root of 873873655 is about 956.0550112629.

The spelling of 873873655 in words is "eight hundred seventy-three million, eight hundred seventy-three thousand, six hundred fifty-five".