898135862902 has 4 divisors (see below), whose sum is σ = 1347203794356. Its totient is φ = 449067931450.

The previous prime is 898135862867. The next prime is 898135862909. The reversal of 898135862902 is 209268531898.

898135862902 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (898135862909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 224533965724 + ... + 224533965727.

It is an arithmetic number, because the mean of its divisors is an integer number (336800948589).

Almost surely, 2^898135862902 is an apocalyptic number.

898135862902 is a deficient number, since it is larger than the sum of its proper divisors (449067931454).

898135862902 is a wasteful number, since it uses less digits than its factorization.

898135862902 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 449067931453.

The product of its (nonzero) digits is 14929920, while the sum is 61.

The spelling of 898135862902 in words is "eight hundred ninety-eight billion, one hundred thirty-five million, eight hundred sixty-two thousand, nine hundred two".