898779825 has 36 divisors (see below), whose sum is σ = 1644085248. Its totient is φ = 469144800.

The previous prime is 898779823. The next prime is 898779829. The reversal of 898779825 is 528977898.

It is not a de Polignac number, because 898779825 - 2¹ = 898779823 is a prime.

It is not an unprimeable number, because it can be changed into a prime (898779821) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 31921 + ... + 53070.

Almost surely, 2^898779825 is an apocalyptic number.

It is an amenable number.

898779825 is a deficient number, since it is larger than the sum of its proper divisors (745305423).

898779825 is a wasteful number, since it uses less digits than its factorization.

898779825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85054 (or 85046 counting only the distinct ones).

The product of its digits is 20321280, while the sum is 63.

The square root of 898779825 is about 29979.6568526059. The cubic root of 898779825 is about 965.0528665320.

The spelling of 898779825 in words is "eight hundred ninety-eight million, seven hundred seventy-nine thousand, eight hundred twenty-five".