99111744 has 42 divisors (see below), whose sum is σ = 284087570. Its totient is φ = 33037056.

The previous prime is 99111737. The next prime is 99111769. The reversal of 99111744 is 44711199.

It can be written as a sum of positive squares in only one way, i.e., 96825600 + 2286144 = 9840^2 + 1512^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 99111699 and 99111708.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 85459 + ... + 86610.

Almost surely, 2^99111744 is an apocalyptic number.

It is an amenable number.

99111744 is an abundant number, since it is smaller than the sum of its proper divisors (184975826).

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

99111744 is a wasteful number, since it uses less digits than its factorization.

99111744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172087 (or 172074 counting only the distinct ones).

The product of its digits is 9072, while the sum is 36.

The square root of 99111744 is about 9955.4881346923. The cubic root of 99111744 is about 462.7804876649.

The spelling of 99111744 in words is "ninety-nine million, one hundred eleven thousand, seven hundred forty-four".