99776111 has 8 divisors (see below), whose sum is σ = 105734160. Its totient is φ = 93827968.

The previous prime is 99776101. The next prime is 99776113. The reversal of 99776111 is 11167799.

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 99776111 - 2¹⁰ = 99775087 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99776113) 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, 32480 + ... + 35418.

It is an arithmetic number, because the mean of its divisors is an integer number (13216770).

Almost surely, 2^99776111 is an apocalyptic number.

99776111 is a deficient number, since it is larger than the sum of its proper divisors (5958049).

99776111 is a wasteful number, since it uses less digits than its factorization.

99776111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4953.

The product of its digits is 23814, while the sum is 41.

The square root of 99776111 is about 9988.7992771904. The cubic root of 99776111 is about 463.8122242945.

The spelling of 99776111 in words is "ninety-nine million, seven hundred seventy-six thousand, one hundred eleven".