99559539782 has 8 divisors (see below), whose sum is σ = 157199273400. Its totient is φ = 47159781984.

The previous prime is 99559539773. The next prime is 99559539809. The reversal of 99559539782 is 28793595599.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1309993907 + ... + 1309993982.

It is an arithmetic number, because the mean of its divisors is an integer number (19649909175).

Almost surely, 2^99559539782 is an apocalyptic number.

99559539782 is a deficient number, since it is larger than the sum of its proper divisors (57639733618).

99559539782 is a wasteful number, since it uses less digits than its factorization.

99559539782 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2619987910.

The product of its digits is 275562000, while the sum is 71.

The spelling of 99559539782 in words is "ninety-nine billion, five hundred fifty-nine million, five hundred thirty-nine thousand, seven hundred eighty-two".