99135485247 has 8 divisors (see below), whose sum is σ = 137927631744. Its totient is φ = 63216831128.

The previous prime is 99135485219. The next prime is 99135485279. The reversal of 99135485247 is 74258453199.

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

It is a cyclic number.

It is not a de Polignac number, because 99135485247 - 2¹⁹ = 99134960959 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99135485287) 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, 718373013 + ... + 718373150.

It is an arithmetic number, because the mean of its divisors is an integer number (17240953968).

Almost surely, 2^99135485247 is an apocalyptic number.

99135485247 is a deficient number, since it is larger than the sum of its proper divisors (38792146497).

99135485247 is a wasteful number, since it uses less digits than its factorization.

99135485247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1436746189.

The product of its digits is 10886400, while the sum is 57.

The spelling of 99135485247 in words is "ninety-nine billion, one hundred thirty-five million, four hundred eighty-five thousand, two hundred forty-seven".