99983079 has 54 divisors (see below), whose sum is σ = 175012344. Its totient is φ = 56949480.

The previous prime is 99983077. The next prime is 99983083. The reversal of 99983079 is 97038999.

It is a happy number.

It is not a de Polignac number, because 99983079 - 2¹ = 99983077 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99983077) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 53 ways as a sum of consecutive naturals, for example, 321334 + ... + 321644.

Almost surely, 2^99983079 is an apocalyptic number.

99983079 is a deficient number, since it is larger than the sum of its proper divisors (75029265).

99983079 is an frugal number, since it uses more digits than its factorization.

99983079 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 349 (or 321 counting only the distinct ones).

The product of its (nonzero) digits is 1102248, while the sum is 54.

The square root of 99983079 is about 9999.1539142069. The cubic root of 99983079 is about 464.1327017763.

The spelling of 99983079 in words is "ninety-nine million, nine hundred eighty-three thousand, seventy-nine".