99884908453 has 4 divisors (see below), whose sum is σ = 108965354688. Its totient is φ = 90804462220.

The previous prime is 99884908411. The next prime is 99884908469. The reversal of 99884908453 is 35480948899.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 35480948899 = 11 ⋅3225540809.

It is a cyclic number.

It is not a de Polignac number, because 99884908453 - 2¹³ = 99884900261 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99884908483) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4540223101 + ... + 4540223122.

It is an arithmetic number, because the mean of its divisors is an integer number (27241338672).

Almost surely, 2^99884908453 is an apocalyptic number.

It is an amenable number.

99884908453 is a deficient number, since it is larger than the sum of its proper divisors (9080446235).

99884908453 is a wasteful number, since it uses less digits than its factorization.

99884908453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9080446234.

The product of its (nonzero) digits is 89579520, while the sum is 67.

The spelling of 99884908453 in words is "ninety-nine billion, eight hundred eighty-four million, nine hundred eight thousand, four hundred fifty-three".