98817280 has 36 divisors (see below), whose sum is σ = 236701332. Its totient is φ = 39526400.

The previous prime is 98817259. The next prime is 98817287. The reversal of 98817280 is 8271889.

It can be written as a sum of positive squares in 2 ways, for example, as 16516096 + 82301184 = 4064^2 + 9072^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (98817287) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37321 + ... + 39880.

It is an arithmetic number, because the mean of its divisors is an integer number (6575037).

Almost surely, 2^98817280 is an apocalyptic number.

It is an amenable number.

98817280 is an abundant number, since it is smaller than the sum of its proper divisors (137884052).

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

98817280 is an equidigital number, since it uses as much as digits as its factorization.

98817280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77222 (or 77208 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 43.

The square root of 98817280 is about 9940.6881049553. The cubic root of 98817280 is about 462.3217214027.

It can be divided in two parts, 9881 and 7280, that added together give a square (17161 = 131²).

The spelling of 98817280 in words is "ninety-eight million, eight hundred seventeen thousand, two hundred eighty".