99207145789 has 8 divisors (see below), whose sum is σ = 99622686240. Its totient is φ = 98792457456.

The previous prime is 99207145787. The next prime is 99207145853. The reversal of 99207145789 is 98754170299.

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 99207145789 - 2¹ = 99207145787 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 (99207145787) 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, 20842 + ... + 445924.

It is an arithmetic number, because the mean of its divisors is an integer number (12452835780).

Almost surely, 2^99207145789 is an apocalyptic number.

It is an amenable number.

99207145789 is a deficient number, since it is larger than the sum of its proper divisors (415540451).

99207145789 is a wasteful number, since it uses less digits than its factorization.

99207145789 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 426059.

The product of its (nonzero) digits is 11430720, while the sum is 61.

The spelling of 99207145789 in words is "ninety-nine billion, two hundred seven million, one hundred forty-five thousand, seven hundred eighty-nine".