898834828761 has 15 divisors (see below), whose sum is σ = 1342716626383. Its totient is φ = 599217530760.

The previous prime is 898834828687. The next prime is 898834828799. The reversal of 898834828761 is 167828438898.

The square root of 898834828761 is 948069.

It is a perfect power (a square), and thus also a powerful number.

898834828761 is a `hidden beast` number, since 8 + 9 + 8 + 8 + 3 + 482 + 87 + 61 = 666.

It can be written as a sum of positive squares in only one way, i.e., 17065161 + 898817763600 = 4131^2 + 948060^2 .

It is a de Polignac number, because none of the positive numbers 2^k-898834828761 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 898834828761.

It is not an unprimeable number, because it can be changed into a prime (898834828261) by changing a digit.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 8479951 + ... + 8585291.

Almost surely, 2^898834828761 is an apocalyptic number.

898834828761 is a gapful number since it is divisible by the number (81) formed by its first and last digit.

898834828761 is the 948069-th square number.

898834828761 is the 474035-th centered octagonal number.

It is an amenable number.

898834828761 is a deficient number, since it is larger than the sum of its proper divisors (443881797622).

898834828761 is an frugal number, since it uses more digits than its factorization.

898834828761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210694 (or 105344 counting only the distinct ones).

The product of its digits is 297271296, while the sum is 72.

It can be divided in two parts, 8988348 and 28761, that added together give a palindrome (9017109).

The spelling of 898834828761 in words is "eight hundred ninety-eight billion, eight hundred thirty-four million, eight hundred twenty-eight thousand, seven hundred sixty-one".