898140339957 has 24 divisors (see below), whose sum is σ = 1393191324192. Its totient is φ = 513165088800.

The previous prime is 898140339947. The next prime is 898140339959. The reversal of 898140339957 is 759933041898.

It is not a de Polignac number, because 898140339957 - 2¹⁰ = 898140338933 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (898140339959) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 978207 + ... + 1659267.

It is an arithmetic number, because the mean of its divisors is an integer number (58049638508).

Almost surely, 2^898140339957 is an apocalyptic number.

It is an amenable number.

898140339957 is a deficient number, since it is larger than the sum of its proper divisors (495050984235).

898140339957 is a wasteful number, since it uses less digits than its factorization.

898140339957 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 690049 (or 690042 counting only the distinct ones).

The product of its (nonzero) digits is 58786560, while the sum is 66.

The spelling of 898140339957 in words is "eight hundred ninety-eight billion, one hundred forty million, three hundred thirty-nine thousand, nine hundred fifty-seven".