873869494 has 4 divisors (see below), whose sum is σ = 1310804244. Its totient is φ = 436934746.

The previous prime is 873869471. The next prime is 873869497. The reversal of 873869494 is 494968378.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (873869497) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 218467372 + ... + 218467375.

It is an arithmetic number, because the mean of its divisors is an integer number (327701061).

Almost surely, 2^873869494 is an apocalyptic number.

873869494 is a deficient number, since it is larger than the sum of its proper divisors (436934750).

873869494 is a wasteful number, since it uses less digits than its factorization.

873869494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 436934749.

The product of its digits is 10450944, while the sum is 58.

The square root of 873869494 is about 29561.2837001372. The cubic root of 873869494 is about 956.0534938233.

The spelling of 873869494 in words is "eight hundred seventy-three million, eight hundred sixty-nine thousand, four hundred ninety-four".