899087473 has 8 divisors (see below), whose sum is σ = 920794688. Its totient is φ = 877416624.

The previous prime is 899087461. The next prime is 899087507. The reversal of 899087473 is 374780998.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-899087473 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (899082473) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44740 + ... + 61642.

It is an arithmetic number, because the mean of its divisors is an integer number (115099336).

Almost surely, 2^899087473 is an apocalyptic number.

It is an amenable number.

899087473 is a deficient number, since it is larger than the sum of its proper divisors (21707215).

899087473 is a wasteful number, since it uses less digits than its factorization.

899087473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18183.

The product of its (nonzero) digits is 3048192, while the sum is 55.

The square root of 899087473 is about 29984.7873595929. The cubic root of 899087473 is about 965.1629649517.

The spelling of 899087473 in words is "eight hundred ninety-nine million, eighty-seven thousand, four hundred seventy-three".