99540386259 has 8 divisors (see below), whose sum is σ = 135957600912. Its totient is φ = 64741714560.

The previous prime is 99540386237. The next prime is 99540386291. The reversal of 99540386259 is 95268304599.

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

It is not a de Polignac number, because 99540386259 - 2⁵ = 99540386227 is a prime.

It is not an unprimeable number, because it can be changed into a prime (99540387259) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 404635594 + ... + 404635839.

It is an arithmetic number, because the mean of its divisors is an integer number (16994700114).

Almost surely, 2^99540386259 is an apocalyptic number.

99540386259 is a deficient number, since it is larger than the sum of its proper divisors (36417214653).

99540386259 is a wasteful number, since it uses less digits than its factorization.

99540386259 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 809271477.

The product of its (nonzero) digits is 20995200, while the sum is 60.

The spelling of 99540386259 in words is "ninety-nine billion, five hundred forty million, three hundred eighty-six thousand, two hundred fifty-nine".