99980579259 has 108 divisors (see below), whose sum is σ = 166504287768. Its totient is φ = 60027988680.

The previous prime is 99980579243. The next prime is 99980579273. The reversal of 99980579259 is 95297508999.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It is not a de Polignac number, because 99980579259 - 2⁴ = 99980579243 is a prime.

It is a super-2 number, since 2×99980579259² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (99980579239) by changing a digit.

It is a polite number, since it can be written in 107 ways as a sum of consecutive naturals, for example, 934397884 + ... + 934397990.

Almost surely, 2^99980579259 is an apocalyptic number.

99980579259 is a gapful number since it is divisible by the number (99) formed by its first and last digit.

99980579259 is a deficient number, since it is larger than the sum of its proper divisors (66523708509).

99980579259 is an frugal number, since it uses more digits than its factorization.

99980579259 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 271 (or 121 counting only the distinct ones).

The product of its (nonzero) digits is 165337200, while the sum is 72.

The spelling of 99980579259 in words is "ninety-nine billion, nine hundred eighty million, five hundred seventy-nine thousand, two hundred fifty-nine".