898506605898 has 48 divisors (see below), whose sum is σ = 2132555211072. Its totient is φ = 271144944000.

The previous prime is 898506605879. The next prime is 898506605929.

898506605898 is a `hidden beast` number, since 8 + 9 + 8 + 5 + 0 + 6 + 605 + 8 + 9 + 8 = 666.

898506605898 is nontrivially palindromic in base 10.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9367038 + ... + 9462473.

It is an arithmetic number, because the mean of its divisors is an integer number (44428233564).

Almost surely, 2^898506605898 is an apocalyptic number.

898506605898 is an abundant number, since it is smaller than the sum of its proper divisors (1234048605174).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

898506605898 is a wasteful number, since it uses less digits than its factorization.

898506605898 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18829771 (or 18829768 counting only the distinct ones).

The product of its (nonzero) digits is 298598400, while the sum is 72.

The spelling of 898506605898 in words is "eight hundred ninety-eight billion, five hundred six million, six hundred five thousand, eight hundred ninety-eight".