99998458572 has 96 divisors (see below), whose sum is σ = 237747654144. Its totient is φ = 32709414400.

The previous prime is 99998458489. The next prime is 99998458577. The reversal of 99998458572 is 27585489999.

It is a junction number, because it is equal to n+sod(n) for n = 99998458494 and 99998458503.

It is not an unprimeable number, because it can be changed into a prime (99998458577) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 66977458 + ... + 66978950.

It is an arithmetic number, because the mean of its divisors is an integer number (2476538064).

Almost surely, 2^99998458572 is an apocalyptic number.

It is an amenable number.

99998458572 is an abundant number, since it is smaller than the sum of its proper divisors (137749195572).

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

99998458572 is a wasteful number, since it uses less digits than its factorization.

99998458572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2079 (or 2077 counting only the distinct ones).

The product of its digits is 587865600, while the sum is 75.

The spelling of 99998458572 in words is "ninety-nine billion, nine hundred ninety-eight million, four hundred fifty-eight thousand, five hundred seventy-two".