98581281580 has 24 divisors (see below), whose sum is σ = 207481780800. Its totient is φ = 39344686080.

The previous prime is 98581281559. The next prime is 98581281581. The reversal of 98581281580 is 8518218589.

It is not an unprimeable number, because it can be changed into a prime (98581281581) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5479956 + ... + 5497915.

It is an arithmetic number, because the mean of its divisors is an integer number (8645074200).

Almost surely, 2^98581281580 is an apocalyptic number.

It is an amenable number.

98581281580 is an abundant number, since it is smaller than the sum of its proper divisors (108900499220).

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

98581281580 is a wasteful number, since it uses less digits than its factorization.

98581281580 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10978329 (or 10978327 counting only the distinct ones).

The product of its (nonzero) digits is 1843200, while the sum is 55.

It can be divided in two parts, 98581281 and 580, that added together give a triangular number (98581861 = T₁₄₀₄₁).

The spelling of 98581281580 in words is "ninety-eight billion, five hundred eighty-one million, two hundred eighty-one thousand, five hundred eighty".