99828479 has 8 divisors (see below), whose sum is σ = 103106160. Its totient is φ = 96581376.

The previous prime is 99828433. The next prime is 99828493. The reversal of 99828479 is 97482899.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 99828479 - 2¹² = 99824383 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99828779) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 914 + ... + 14159.

It is an arithmetic number, because the mean of its divisors is an integer number (12888270).

Almost surely, 2^99828479 is an apocalyptic number.

99828479 is a deficient number, since it is larger than the sum of its proper divisors (3277681).

99828479 is a wasteful number, since it uses less digits than its factorization.

99828479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15289.

The product of its digits is 2612736, while the sum is 56.

The square root of 99828479 is about 9991.4202694112. The cubic root of 99828479 is about 463.8933548382.

The spelling of 99828479 in words is "ninety-nine million, eight hundred twenty-eight thousand, four hundred seventy-nine".