99459567789 has 8 divisors (see below), whose sum is σ = 132667183200. Its totient is φ = 66279165456.

The previous prime is 99459567773. The next prime is 99459567803. The reversal of 99459567789 is 98776595499.

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

It is not a de Polignac number, because 99459567789 - 2⁴ = 99459567773 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99459567709) 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, 6794739 + ... + 6809360.

It is an arithmetic number, because the mean of its divisors is an integer number (16583397900).

Almost surely, 2^99459567789 is an apocalyptic number.

It is an amenable number.

99459567789 is a deficient number, since it is larger than the sum of its proper divisors (33207615411).

99459567789 is a wasteful number, since it uses less digits than its factorization.

99459567789 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13606539.

The product of its digits is 1543147200, while the sum is 78.

The spelling of 99459567789 in words is "ninety-nine billion, four hundred fifty-nine million, five hundred sixty-seven thousand, seven hundred eighty-nine".