99979336 has 8 divisors (see below), whose sum is σ = 187461270. Its totient is φ = 49989664.

The previous prime is 99979333. The next prime is 99979337. The reversal of 99979336 is 63397999.

It can be written as a sum of positive squares in only one way, i.e., 81540900 + 18438436 = 9030^2 + 4294^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (99979333) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6248701 + ... + 6248716.

Almost surely, 2^99979336 is an apocalyptic number.

It is an amenable number.

99979336 is a deficient number, since it is larger than the sum of its proper divisors (87481934).

99979336 is a wasteful number, since it uses less digits than its factorization.

99979336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12497423 (or 12497419 counting only the distinct ones).

The product of its digits is 2480058, while the sum is 55.

The square root of 99979336 is about 9998.9667466194. The cubic root of 99979336 is about 464.1269098950.

The spelling of 99979336 in words is "ninety-nine million, nine hundred seventy-nine thousand, three hundred thirty-six".