99619880835 has 16 divisors (see below), whose sum is σ = 159864790176. Its totient is φ = 52972942848.

The previous prime is 99619880797. The next prime is 99619880879. The reversal of 99619880835 is 53808891699.

It is not a de Polignac number, because 99619880835 - 2²⁰ = 99618832259 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9848544 + ... + 9858653.

It is an arithmetic number, because the mean of its divisors is an integer number (9991549386).

Almost surely, 2^99619880835 is an apocalyptic number.

99619880835 is a deficient number, since it is larger than the sum of its proper divisors (60244909341).

99619880835 is a wasteful number, since it uses less digits than its factorization.

99619880835 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19707542.

The product of its (nonzero) digits is 33592320, while the sum is 66.

The spelling of 99619880835 in words is "ninety-nine billion, six hundred nineteen million, eight hundred eighty thousand, eight hundred thirty-five".