873998654 has 4 divisors (see below), whose sum is σ = 1310997984. Its totient is φ = 436999326.

The previous prime is 873998641. The next prime is 873998663. The reversal of 873998654 is 456899378.

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

It is a junction number, because it is equal to n+sod(n) for n = 873998593 and 873998602.

It is a congruent number.

It is an unprimeable number.

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, 218499662 + ... + 218499665.

It is an arithmetic number, because the mean of its divisors is an integer number (327749496).

Almost surely, 2^873998654 is an apocalyptic number.

873998654 is a deficient number, since it is larger than the sum of its proper divisors (436999330).

873998654 is a wasteful number, since it uses less digits than its factorization.

873998654 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 436999329.

The product of its digits is 13063680, while the sum is 59.

The square root of 873998654 is about 29563.4682336156. The cubic root of 873998654 is about 956.1005938335.

The spelling of 873998654 in words is "eight hundred seventy-three million, nine hundred ninety-eight thousand, six hundred fifty-four".