99004779 has 12 divisors (see below), whose sum is σ = 143379600. Its totient is φ = 65831184.

The previous prime is 99004777. The next prime is 99004783. The reversal of 99004779 is 97740099.

It is not a de Polignac number, because 99004779 - 2¹ = 99004777 is a prime.

It is not an unprimeable number, because it can be changed into a prime (99004777) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10639 + ... + 17640.

It is an arithmetic number, because the mean of its divisors is an integer number (11948300).

Almost surely, 2^99004779 is an apocalyptic number.

99004779 is a deficient number, since it is larger than the sum of its proper divisors (44374821).

99004779 is a wasteful number, since it uses less digits than its factorization.

99004779 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28674 (or 28671 counting only the distinct ones).

The product of its (nonzero) digits is 142884, while the sum is 45.

The square root of 99004779 is about 9950.1145219540. The cubic root of 99004779 is about 462.6139445577.

The spelling of 99004779 in words is "ninety-nine million, four thousand, seven hundred seventy-nine".