99286712089 has 4 divisors (see below), whose sum is σ = 99364341760. Its totient is φ = 99209082420.

The previous prime is 99286712071. The next prime is 99286712099. The reversal of 99286712089 is 98021768299.

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.

It is a cyclic number.

It is not a de Polignac number, because 99286712089 - 2⁹ = 99286711577 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (99286712039) 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, 38812917 + ... + 38815474.

It is an arithmetic number, because the mean of its divisors is an integer number (24841085440).

Almost surely, 2^99286712089 is an apocalyptic number.

It is an amenable number.

99286712089 is a deficient number, since it is larger than the sum of its proper divisors (77629671).

99286712089 is a wasteful number, since it uses less digits than its factorization.

99286712089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77629670.

The product of its (nonzero) digits is 7838208, while the sum is 61.

The spelling of 99286712089 in words is "ninety-nine billion, two hundred eighty-six million, seven hundred twelve thousand, eighty-nine".