98765443210 has 48 divisors (see below), whose sum is σ = 206842190976. Its totient is φ = 33855978912.

The previous prime is 98765443193. The next prime is 98765443253. The reversal of 98765443210 is 1234456789.

It is a happy number.

It is a super-2 number, since 2×98765443210² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (49).

It is a nialpdrome 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, 3052779 + ... + 3084961.

It is an arithmetic number, because the mean of its divisors is an integer number (4309212312).

It is a 2-persistent number, because it is pandigital, and so is 2⋅98765443210 = 197530886420, but 3⋅98765443210 = 296296329630 is not.

Almost surely, 2^98765443210 is an apocalyptic number.

98765443210 is an abundant number, since it is smaller than the sum of its proper divisors (108076747766).

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

98765443210 is a wasteful number, since it uses less digits than its factorization.

98765443210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38467 (or 38460 counting only the distinct ones).

The product of its (nonzero) digits is 1451520, while the sum is 49.

Adding to 98765443210 its reverse (1234456789), we get a palindrome (99999899999).

The spelling of 98765443210 in words is "ninety-eight billion, seven hundred sixty-five million, four hundred forty-three thousand, two hundred ten".