99598851488 has 24 divisors (see below), whose sum is σ = 196141214052. Its totient is φ = 49785209856.

The previous prime is 99598851467. The next prime is 99598851503. The reversal of 99598851488 is 88415889599.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 99509964304 + 88887184 = 315452^2 + 9428^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 329945 + ... + 555032.

Almost surely, 2^99598851488 is an apocalyptic number.

It is an amenable number.

99598851488 is a deficient number, since it is larger than the sum of its proper divisors (96542362564).

99598851488 is a wasteful number, since it uses less digits than its factorization.

99598851488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 888504 (or 888496 counting only the distinct ones).

The product of its digits is 298598400, while the sum is 74.

The spelling of 99598851488 in words is "ninety-nine billion, five hundred ninety-eight million, eight hundred fifty-one thousand, four hundred eighty-eight".