98772210 has 112 divisors (see below), whose sum is σ = 282597336. Its totient is φ = 24758784.

The previous prime is 98772197. The next prime is 98772217. The reversal of 98772210 is 1227789.

It can be written as a sum of positive squares in 4 ways, for example, as 88792929 + 9979281 = 9423^2 + 3159^2 .

It is a nialpdrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (98772217) by changing a digit.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 123532 + ... + 124328.

Almost surely, 2^98772210 is an apocalyptic number.

98772210 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 98772210, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (141298668).

98772210 is an abundant number, since it is smaller than the sum of its proper divisors (183825126).

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

98772210 is a wasteful number, since it uses less digits than its factorization.

98772210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 839 (or 824 counting only the distinct ones).

The product of its (nonzero) digits is 14112, while the sum is 36.

The square root of 98772210 is about 9938.4209007266. The cubic root of 98772210 is about 462.2514232772.

Adding to 98772210 its reverse (1227789), we get a palindrome (99999999).

The spelling of 98772210 in words is "ninety-eight million, seven hundred seventy-two thousand, two hundred ten".