99147776 has 168 divisors, whose sum is σ = 261472680. Its totient is φ = 37158912.

The previous prime is 99147749. The next prime is 99147787. The reversal of 99147776 is 67774199.

It is a happy number.

Its product of digits (666792) is a multiple of the sum of its prime factors (72).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5218295 + ... + 5218313.

It is an arithmetic number, because the mean of its divisors is an integer number (1556385).

Almost surely, 2^99147776 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 99147776, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (130736340).

99147776 is an abundant number, since it is smaller than the sum of its proper divisors (162324904).

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

99147776 is a wasteful number, since it uses less digits than its factorization.

99147776 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72 (or 41 counting only the distinct ones).

The product of its digits is 666792, while the sum is 50.

The square root of 99147776 is about 9957.2976253600. The cubic root of 99147776 is about 462.8365620362.

The spelling of 99147776 in words is "ninety-nine million, one hundred forty-seven thousand, seven hundred seventy-six".