99497578313 has 8 divisors (see below), whose sum is σ = 113733652032. Its totient is φ = 85267038096.

The previous prime is 99497578307. The next prime is 99497578351. The reversal of 99497578313 is 31387579499.

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 99497578313 - 2²² = 99493384009 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 99497578313.

It is not an unprimeable number, because it can be changed into a prime (99497578303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1344770 + ... + 1416827.

It is an arithmetic number, because the mean of its divisors is an integer number (14216706504).

Almost surely, 2^99497578313 is an apocalyptic number.

It is an amenable number.

99497578313 is a deficient number, since it is larger than the sum of its proper divisors (14236073719).

99497578313 is a wasteful number, since it uses less digits than its factorization.

99497578313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2766751.

The product of its digits is 51438240, while the sum is 65.

The spelling of 99497578313 in words is "ninety-nine billion, four hundred ninety-seven million, five hundred seventy-eight thousand, three hundred thirteen".