899873654 has 16 divisors (see below), whose sum is σ = 1401941520. Its totient is φ = 432684000.

The previous prime is 899873641. The next prime is 899873659. The reversal of 899873654 is 456378998.

It is a junction number, because it is equal to n+sod(n) for n = 899873593 and 899873602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (899873659) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16349 + ... + 45464.

It is an arithmetic number, because the mean of its divisors is an integer number (87621345).

Almost surely, 2^899873654 is an apocalyptic number.

899873654 is a deficient number, since it is larger than the sum of its proper divisors (502067866).

899873654 is a wasteful number, since it uses less digits than its factorization.

899873654 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62095.

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

The square root of 899873654 is about 29997.8941594239. The cubic root of 899873654 is about 965.4442025943. Note that the first 3 decimals are identical.

The spelling of 899873654 in words is "eight hundred ninety-nine million, eight hundred seventy-three thousand, six hundred fifty-four".