99000000077 has 8 divisors (see below), whose sum is σ = 109830509280. Its totient is φ = 88474575760.

The previous prime is 99000000053. The next prime is 99000000079. The reversal of 99000000077 is 77000000099.

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 99000000077 - 2¹⁶ = 98999934541 is a prime.

It is a Duffinian number.

It is a zygodrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99000000079) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 76270538 + ... + 76271835.

It is an arithmetic number, because the mean of its divisors is an integer number (13728813660).

Almost surely, 2^99000000077 is an apocalyptic number.

It is an amenable number.

99000000077 is a deficient number, since it is larger than the sum of its proper divisors (10830509203).

99000000077 is a wasteful number, since it uses less digits than its factorization.

99000000077 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152542443.

The product of its (nonzero) digits is 3969, while the sum is 32.

The spelling of 99000000077 in words is "ninety-nine billion, seventy-seven", and thus it is an aban number and an uban number.