99742024798 has 32 divisors (see below), whose sum is σ = 163161169920. Its totient is φ = 45455528160.

The previous prime is 99742024777. The next prime is 99742024817. The reversal of 99742024798 is 89742024799.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 625143 + ... + 768301.

It is an arithmetic number, because the mean of its divisors is an integer number (5098786560).

Almost surely, 2^99742024798 is an apocalyptic number.

99742024798 is a deficient number, since it is larger than the sum of its proper divisors (63419145122).

99742024798 is a wasteful number, since it uses less digits than its factorization.

99742024798 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143512.

The product of its (nonzero) digits is 18289152, while the sum is 61.

Subtracting from 99742024798 its reverse (89742024799), we obtain a palindrome (9999999999).

The spelling of 99742024798 in words is "ninety-nine billion, seven hundred forty-two million, twenty-four thousand, seven hundred ninety-eight".